Arlette Stein News Today

Unprecedented. >> reporter: twitter is where the president goes to take the pulse of his base, analysts say, before he makes a decision. its also a vehicle to validate his viewpoints, illustrated by his frenzy binges of re-tweeting others. >> he has all the power that comes with the office and, yet, hes insecure. hes so insecure that hes going to his twitter feed to pump himself up. >> reporter: sometimes, the sources from which the president retweets have questionable credibility or are downrig...

Phenomenal tournament just dominating the field. 13 under par, and hes looking for more history this weekend. the reigning pga champ and also the two-time u.s. open champ, and no one has ever held back to back titles in two majors at the same time. >> i mean, i would like that lead to grow as large as it possibly can. im going to go out there and do what i can do. keep putting the ball in the right spot and i should have a good chance of winning the championship. >> reporter: koepka has a seven-...

>> the 2-1 pitch. >> reporter: you could say this story started way back in 1969 when the new york mets upset the heavily favored orioles to win their first world series. >> the mets are the world champions. >> reporter: we could say that, but that was before brian cooneys time. >> you didnt know about the miracle mets. >> i was too young. i was born four years after. >> reporter: well get back to the ball game. for now what you need to know is brian is a port authority police officer at laguard...

Refused to comply with a congressional subpoena for trumps tax returns. boris, how are house democrats responding? whats next? >> reporter: well, the chairman of the house ways and means committee, richard neal, who had been leading this effort to get six years of the presidents tax returns said he wants to see it end in court. he is not taking a route that other democrats, like jerry nadler had before, in holding administration officials in contempt of congress. he says he doesnt want to do tha...

Trumps message to the masses. dan scavino is one of the original and trusted advisers at trumps side. he started as trumps golf caddy. here is brian todd. >> reporter: for a president obsessed with polls and ratings, there is nothing he loves more than the popularity barometer in his pocket, his twitter account. >> we have almost 60 million on twitter. >> reporter: the president has become so reliant on twitter that "politico" says in a meeting earlier this year, he stopped a conversation with f...

The new front runner, woods playing partner, brooks koepka. hes setting major records on a fearsome course, and andy schultz is joining us now. where did this come from? swinging his way to a championship win? >> reporter: brooks koepka, he has been playing some of the best golf we have seen lately in the pga tour. hes trying to win his fourth major in his last eight major appearances. its a great day here in new york. its 70 degrees and sunny, and if you want to come to the pga championship, no...

Media. >> i have to go through a different source. it is called do speeches and go with our social media stuff, which is quite powerful, i must say. >> reporter: and aides defend trumps practice of not reading thick briefing papers or relying solely on advisers, saying twitter gives trump an effective way of having two-way communication with voters. >> hes able to control the news cycle through twitter and other things. it allows him to see that and react in real time. >> reporter: historians ar...

For any democrat in order to win the presidency? >> reporter: well, youll remember that president trump won pennsylvania back in 2016. that was central to his campaign. this is a state that has typically trended, dating back to the 1980s, to voting for democratic presidential candidates. this will be a very important state going forward in 2020. biden is placing particular emphasis here. he started his campaign events over in pittsburgh two and a half weeks ago, and he is ending this three-week ...

Barberi waiting for a kidney for more than a year. >> i was a young, healthy guy. i was a firefighter, active duty, you know, responding to calls. all of a sudden, here i am. im the guy who is sick. youre not used to ebeibeing thy who is sick. >> reporter: his wife was going to give him one of her kidneys. >> but i wasnt compatible. >> all right. game day. >> reporter: but then something else surprising happened. >> were here, ready for surgery. >> reporter: since her husband was being saved by ...

Are looking forward to that general election. >> all right. arlette, thank you. its no secret, pennsylvania is a hugely critical state for democrats going into 2020. back in 2016, donald trump, as she mentioned, took it by an extremely close margin, beating hillary clinton by less than 1%. as the crowded democratic field sets their sights on this state, how do they stack up against the president in pennsylvania right now? we have some polling that shows, according to quinnipiac, joe biden lead...