Transcript for President Trump meets with world leaders today in Argentina

Art first looks good and check in with ABC's Devin Dwyer he is in Argentina right now. Tracking president from who is there for the G-20 summit and we're also joined by ABC's Pierre Thomas you'll also join us in this conversation but DeVon must review we know president drop. Is expected to meet with world leaders and while this G-20 summit gets under way there are so many contentious. Issues happening on the sidelines. Looking tell us. Hey Stephanie good morning yet the president is at the G-20 right now just got under way a few minutes ago he's rubbing elbows with all those world leaders made eyes at flattener who in this morning. Walked past Saudi Arabia's crown prince about a real story here is you say are the big meetings that president trump has set up on the sidelines. Early this morning the president already made history here. Indo South America Stephanie when he signed the new US Mexico Canada the trade agreement that's the deal that replaces NAFTA. Big deal here on the last day in office for Mexico's president. Pena ye 80 Justin Trudeau of Canada was there to president hailed this as a campaign promise capped a good deal for American workers. Later this afternoon who holds more bilateral means we'll see what news comes and then all eyes and Vladimir Putin's you've had that meeting does materialize the White House. Isn't ruling out that both leaders will talk to each other staff. In DeVon that trade Gil negotiation taking months finally happening but don't. Let's about the president's tweets from overnight he was tweeting alive a lot about that how were possibly in Moscow and that business dealing. Looking tell us about that. Yet a president was up early tweeting here perhaps. Not surprising at home but after a long overnight flight the first we heard of them this morning was on Twitter very early eastern time. And as you say he was lashing out. Really at the at the Muller bombshell yesterday related to his former personal free Michael Cohen the president very defensive this morning. Saying that his business dealings with Russia during the twice sixteen campaign which Michael Cohen is now. Talking to Robert Mueller about the president tweeted saying there were very legal very cool the president said he said. He lightly looked at doing a building deal somewhere roster during the campaign no problem with that. Of course we know Stephanie the president didn't talk a lot about doing business deals are Russian during the campaign and state tried to downplay ties with Russia. So this is something that we're finding don't know that is Robert Mueller is looking into this mean the big question is. What he asked president from what do president trump had to say here Robert Mueller. Will any of this get anybody in any hot water we don't know right now. What is behind robber Muller's inquiry into the specific. Potential deal with the president points out never actually happened but certainly something weigh in on him as he kicks off this summer. DeVon in as you mentioned the rusher probe let's bring in ABC's Pierre Thomas. Pierre thank you for joining us. With Michael Collins now agreeing to cooperate with investigators can't talk a little bit about what that means for the administration and what I mean possibly mean for. Special counsel Robert Muller's investigation. Well the key here is that Michael Cohen is one of the president's long time confidant. Of all the people who pled guilty or been indicted in connection with the Russian probe. He's the person who knew the president belongs more than a decade. He's a person who allegedly was working with the president behind the scenes the so called fix or so. The special counsel's office has interviewed him more than seventy hours talking amount of arranged. Range of subjects so therefore. The key the most important thing here is that. Cohen has cooperated is continuing to cooperate and that could spell potential trouble for people around the president. An incredible development there are right here thank you so much now let's get back to jab and that there in Argentina. You have an article outs on abcnews.com. That goes over the seven things to watch. At the summit can you touch on some of them for us. Sure what we've talked about a fuel Marty Stephanie the on again off again nature of this meeting between president trump and Vladimir Putin. That is certainly one of the things to keep an ion they will rub elbows today but will they talk. When they talk about Ukraine and that naval incidents skirmishes in the waters off Crimea just a few days ago. That's a hot topic the biggest topic here at the G tornado is the president's summit tomorrow night. With Chinese president she Jayne Payne this comes amidst of course is escalating trade war between the US and China the pain being felt on both sides of the Pacific. The president will have dinner with she'd are hoping to work out a deal the president says he's open to one he doesn't think. I he'll agree to one easily Chinese president she equally dug in. Huge implications for the US economy that takes place tomorrow night that's a big one to watch. And then of course the president's also meeting here. South Korean president who is in town Japanese are prime minister oddly is here and they're gonna wanna talk about that stalled negotiations with North Korea. So a lot going on those meetings are tomorrow. And still a lot to play out certain. And there's so much about but we just want you go Devin but go enjoy yourself there in what aside it is of this summit we do want to mention does come after. Of the killing of Washington Post reporter Jamal could show me in Saudi Arabia's is double console is that'll be interesting to see how the Saudi crown prince. Is received in there in Argentina by world leaders but.

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