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You, put you on the spot. your view, is ryan almost certainly out? >> i don't know almost certainly out, but candidly, it's not a bad thing for him to contemplate. and i would argue for him to do. there's a bunch of reasons. i'll go through them quickly. number one, there may not be a speakership for him to leave, jim. this is a 50/50, 40/60 proposition in the house. you don't to want look like you're running out of town. number two, you have to do the best you can with the circumstances you have. getting tax reform, and i know there's some back and forth on this. let's assume they get it. tha...

Reporting, first they said we tried to shoot a ukrainian military jet out of the sky. instead down came this 777. what are they using with all of this as your background? these buk or buk missile systems. let's get to jennifer griffin at the pentagon. these are from russia. moscow sent them to the separatists, right? >> reporter: it is important, shepard as you and john were speaking about before, both sides have these buk missiles as far as we know. ukrainian forces in still photos on july 4th, their forces traveling with buk missile systems. ukraine is close to russia and natural they would ...

In washington. the first reports it may have been shot down seemed absolutely impossible until you get the background of what happened in recent days. >> reporter: shep ard, remember this is the third plane to go down in this region since monday. on monday, you krienian officials say it was a russian missile fired at an antonov-26, ukrainian cargo plane that went down in this same area. just hours ago a fighter jet, sukhoi 25 was shot down by surface-to-air missile. the you anian pilot of that plane ejected safely. moments later we learned the malaysian plane had crashed in the same area. it h...

To shoot down a ukrainian military aircraft, and instead a passenger jet came crashing to the ground. >> reporter: what is so worrisome right now, again pentagon officials have been watching this area very closely. and they have noted this sophisticated buk missile system was brought across the border from russia and provided to the separatist it is. the range of the buk missiles, they can fly up to 72,000 feet. what the separatists have been talking about in recent days, now according to this posting on social media, they were targeting ukrainian military cargo planes, like the one that they ...

Different locations. john bussey, from "the wall street journal," managing editor there is with us. there's a lot yet to learn. >> a lot of ifs, a lot of ifs. the presumption it is still shot down. we still don't even know that for sure. it looks like it but there are a lot of ifs. there will be a lot of information coming from this plane. there will be satellite tracking. there will be ground radar tracking. there will be a black box this time for this malaysian jet. shep, look, ukraine itself shot down, by mistake, shot down a commercial jet once in 2001 during military exercises. this happe...