>> so in just a few hours president trump welcoming the german chancellor angela merkel to the white house. that, of course, about another nuclear deal, the iran deal. she's here in washington to in effect convince the president to say in? >> reporter: that's right. she's coming just days after the french president emmanuel macron was here in washington for a lot of pomp and circumstance for an official state visit. this visit is going to be much more sober in nature. merkel is following up on macron, trying to convince president trump not to back out directly from this nuclear deal. they're g...