Than two years. Its happening at the United Nations general assembly. To say these two leaders have had icy relations is honestly putting it gently. The tension has just escalated with russia announcing this new intelligence sharing agreement with iraq, iran and syria. Here was Vladimir Putin speaking last night on 60 minutes. Translator we support the legitimate government of syria and its my deep belief that any actions to the contrary in order to destroy the legitimate government will create a situation which you can witness now in the other countries of the region or in other regions. When president obama took to the podium this morning, he didnt mince words. Heres what he had to say about russia propping up Bashar Al Assad. We should support tyrants like Bashar Al Assad because the alternative is surely worse according to them. The United States is prepared to work with any nation, including russia and iran, to resolve the confli conflict. But we must recognize there cannot be after so much bloodshed, so much carnage. We know that after president obama spoke, Vladimir Putin then took to the same podium. How did he respond . Brooke, they sounded like unlikely partners for peace on the ground in syria. Diametrically opposed of the situation coming from that podium. President obama calling Bashar Al Assad a tyrant responsible for the slaughter of tens of thousands of his own people. Vladimir putin calls assad the only legitimate government who is valiantly fighting terrorism. Heres a listen to what president putin had to say today. I think its a mistake to refuse to cooperate with the Syrian Government and armed forces. We should acknowledge that no one but president assads armed forces are truly fighting the Islamic State and other terrorist organizations in syria. Efforts to address the problems that all of us are facing and create a jen coalition against terrorism, similar to the coalition it could unite a broad range of forces that are resi resisting those who are so evil and hatred of human kind. Its in those final words that u. S. Officials see at least the possibility of an opening with russia, a shared fight against isis. The fact is ooisist is a shared adversary. Russia has more of its own people going there to join the fight. They have a problem with terrorism inside russias borders as well. Thats where they have a shared goal. The question is that enough for them to move forward considering they have different views of Bashar Al Assad. That said president obama did talk about a managed transition away from assad. Thats different than what he was calling for. That leaves open the possibility of some transition period where hes allowed to stay for awhile. The fact is the u. S. Sees that removing him immediately could make the situation worse on the ground. The language has evolved. Thank you very much. Im seeing my next guest nodding. Vladimir putin could be if not the last because there would be one more next year assuming putin shows up. Could be one of the last times they fimeet face to face with president obama in the oval office. Your reaction to the meeting . They have a lot to sort out. Obviously, they want to talk about ukraine and the sanctions. They want to talk about all that. But really its going to be syria, syria, syria. I think that was the tone of president obamas speech today. I think certainly president putin touched on that. And jim had it exactly right. You can begin to see them converging. Unlikely partners for peace. Not about assad. Its interesting. Putin mentioned assad, but hes talking about preserving the instituti institutions and the government and legitimate government in syria. And that when you Start Talking about transition, that looks like a framework that the two sides can talk about intelligently, not just calling names. If this is with this agreement between these countries, u. S. Not part of that. That would be adding heft to the fight against terrorists. Why would that make the u. S. Nervous . It makes the u. S. Nervous for a number of reasons. We have 3,000 troops in iraq right now. Whats their main function . Its gathering intelligence and sharing that with the Iraqi Government. Is the Iraqi Government going to be sharing that . Thats not clear at all. But what were moving forward into this very murky area where both russia and iran and the United States are trying to find some way to cooperate to develop transition in syria. And intelligence sharing will probably be part of it even though its going to be down and dirty. Its interest iing what jim shoout toe pointed out as far as syria is concerned and assad in the last couple years. Im wondering to see these leaders speaking publicly at the unga. Its another once the doors are closed in a couple hours to have putin and obama sitting down talking syria. How will the public versus the private meetings differ . I think we have reporting on the daily beast for a long time that there are a lot of people in the Obama Administration who actually believe you have to throw your weight at some point behind the government of syria. If you want to fight isis even though hes dropping barrel bombs . Even though hes doing all these terrible things. Its the same thing the president of iran said over the weeke weekend. Which is the lesser of the evils . They are both incredibly evil. There are a lot of people in between not such good guys either. There are no good players who could take power in iraq. But the effort of the Obama Administration to train those people and find those people and vet those people who might do the job has been a complete failure as e we reported several times in the last week. We have to turn somewhere if you want to get rid of isis first. Where were turning is toward russia, which now has many more planes operating out of syria and syria air space than we do. Chris, thank you very much. I appreciate it. Coming up next, donald trump gets specific. The billionaire releasing his highly anticipated tax plan today. He says its going to make the wealthy very angry. Plus as trumps lead is shrinking in the polls, one candidate calls the whole thing a freak show. And breaking news, new proof theres flowing water on mars. What this means, coming up. Youre watching cnn. So youre a Small Business expert from at t . Yeah, give me a problem and ive got the solution. Well, we have 30 years of customer records. Our cloud can keep them safe and accessible anywhere. 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Feel lighter and more energized. Ultimate flora. More power to your gut. This is cnn. Im brooke baldwin. A new poll has donald trump barely holding on to his lead. Now the question is this. Will his new tax plan draw fire or even more fans to his campaign. Today the candidate known for specifics got plenty of detail on a topic he admits is is in a wheelhouse. He says his plan will make taxes lower, simpler for everyone. He says 75 million low income households will pay no income tax adding this online. Quote, they get a new onepage form to send. Irs saying i win. They also get a big tax break. But trump told reporters one of the way hes paying for the tax reduction is closing loopholes and eliminating deductions that the wealthy love. This is actually a tax reduction. Including for the i believe that the economy will do so well that even though they wont be getting certain deductions, which arent fair for them to be getting, that they will end up doing better. I have sara murray, economist ben stein all here with me offering perspective. So sara, first to you. Walk through the plan for us. When you look at it, its an across the board tax cut as well as a tax cut for businesses. When it comes to individuals f you pak 25,000 or less, you pay no taxes. No federal taxes. A lot of people already pay no federal taxes and hes trying to widen the net. Also when you look at the top rate, hes changing it from 40 to 25 . Thats what wer wug talking about a big tax cut for the wealthy. On the business side, this is tax rate for businesses. Experts say its a little hard to make the math add up in terms of finding enough deductions to make up for the losses. Im curious to see how it stacks up with other candidates. But ben stein, youre listening to this as our economist having worked back in the nixon white house. Youre shaking your head. Is this feasible . Anything he says is feasible for him to say it, but it has nothing to do with whats going to happen in the real world. You had a segment on about flowing water on mars. Mr. Trumps tax plan has much to do with creating disparity with water on mars. Theres no reason to think his plan will do anything for prosperity. The great majority of americans are not paying tax at all. Theres no evidence that lowering taxes on the rich raises narc productivity. I dont see where any of this is going to lead us. Were running a 500 million deficit right now. How long can can this go on within we cant keep having gigantic deficits forever. Our money correspondent is listening and nodding. Shes listening to you. If you want to jump in on what he just said and i think it is important to compare it to other tax plans. I mean, lets get real. Hes saying one way to generate growth, one way to make the gdp numbers increase is by forcing corporations or incentivizing them from bringing profits back to the u. S. We tried that already. We tried that in 2003. It did not create any additional jobs. The companies took the cash and gave it back to shareholders. As far as differentiating himself from other republican candidates, they all want to do the same thing. The New York Times said this is a high Energy Version of jeb bushs plan. They all want to reduce the number of individual tax brackets we all have. They want to decrease the amount of Corporate Taxes paid. So this is very consistent with the rest of the republicans are say i saying. Lower taxes for everyone, everyone will benefit without any real specifics. Look, this is the guy who said were going to go after the Hedge Fund Managers. You know what . Based on what we know right now, the Hedge Fund Managers arent going to pay that much more. 2 is not a big bump at all. Whats interesting is he got the other republicans to say that they would do something about the Hedge Fund Managers tax structure and then backed away from it when he unveiled his plan. Its interesting to see that. Those guys would only say that behind closed doors until trump started putting it in front of people. And then Something Else were wondering this morning. You asked him this morning. You hear this plan and wonder, okay, how would this personally affect donald trump . What did it he say . The marketing on the tax plan were this would cost me a fortune. This is going to be difficult for the wealthy, but when i asked him what his tax break was and is it going to go up or down, he dodged the question. He ultimately said, look, this is going to be great for people at the upper end of the income scale too. Donald trumps taxes are very complicated, but today, no straight answer. Ben stein, final word. You talk about the deficit as the historian, someone who lived through so many different president s. What do you think . Whose plan do you like the best . You tell me. I like the present tax plan is better than any of the republican plans. What we really talked about is raising taxes on our grandchildren. We cant run the deficits forever. Somebody has to pay for them. Its going to be our children and grandchildren. So lowering taxes on some but raising on our grandchildren. Ben stein, thank you very much. Ladies, i appreciate it as well. Make sure you watch erin burnett. Shes sitting down with donald trump and well be speaking with her to get a tease of her interview that will air in full tonight at 7 00 eastern on cnn. Coming up next, marco rubio says he will not be part of what he calls the donald trump freak show. The problem is rubio is engaging trump and hurling insults his way. Will it work for him . Also ahead, nasa announcing a tremendous discovery today. Water on mars. 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Pg e is using new technology to improve our system, replacing pipelines throughout the city of san jose, to provide safe and reliable services. Raising a family here in the city of san jose has been a wonderful experience. My oldest son now works for pg e. When i do get a chance, an opportunity to work with him, its always a pleasure. I love my job and i care about the work i do. I know how hard our crews work for our customers. I want them to know that they do have a safe and reliable system. Together, were building a better california. As we just discussed, will donald trump revealed his tax plan. His rival marco rubio called Trumps Campaign freak show. He did that during a radio interview on npr. He was asked to respond to trump calling him a kid during recent campaign stuff. Here is senator rubio. Well, look, im not interested in the back and forth to be a part of his freak show. U would just say this. He is a sensitive person. He responds to criticism very poorly. He had a speech in South Carolina to an empty crowd and got booed on friday. His poll numbers have taken a beating and he was embarrassed on National Television by Carly Fiorina and others. But this election is not about donald trump. It has to be about the issues confronting our country. Every time issues become prominent, he will Say Something outrageous so he doesnt have to talk about the issues. That jab was met with a jab from donald trump. Senator rubio is a lightweight. We understand that. He wouldnt be able to do this. He wouldnt know a trade deal from any other deal. Guys like rubio, he desperately needs money. Ask the car dealer in florida, ask the people that support him, and a guy like rubio and others, i dont want to single him out. But they are largely controlled by their donors, special interests and frankly more than anybody else the lobbyists. Lets talk about this back and forth and where it goes from here. I have Amanda Carpenter and with us is trump supporter jeffrey lord. Welcome to both of you. Ladies, first. Amanda, first to you. You heard rubio call trump a freak show. But rubio has not been shy about engaging with donald trump. In fact, in the same interview he rattled through some of the trump insults. Do you think this will work for him because it doesnt always work for everyone. Whats his play . Well, listen, i have very critical of republican candidates who get sucked into the trump trap. Im willing to give marco rubio a pass here. Donald trump has been going after marco rubio hard ever since marco rubio made gains in the last debate. If you look at marco rubios shining moment it was when he was telling donald trump why he was misunderstanding Vladimir Putins aspirations in the middle east. That was his best moment. Donald trump knows that rubio is a threat and has gone after him, called him a loser at the voter summit. He got booed for it. People like marco rubio. So i think hes actually doing a really good job of walking the line into showing people hes not going to take these attacks from donald trump, but also not being dominated by it. He quickly pivots back into his own message and thats kind of the line that they need to be walki walking. So lets do a little trump translation. Do you think if donald trump goes after someone and calls him a loser, does that really mean hes a little nervous . Could marco rubio be trumps biggest competition . Well, heres what i think is yes or no . Do i u think he gains anything by going after him, sure. If you go after your competition, and hes a great counterpuncher, so he punched back. Does he make him nervous . I have no idea whether it makes him nervous, but if youre the front runner you should always keep an eye on the people gaining from behind. What i would say here is marco rubio remarkably went from being the antiestablishment candidate to be senator from florida. And was a huge