senate decision to go nuclear. plus backing bill. president trump throws his support behind bill o'reilly. >> i don't think bill would do anything wrong. he's a good person. >> as more advertisers pull their money and one congresswoman goes there. >> bill o'reilly needs to go to jail. >> we begin today with the global challenges facing president trump. the attacks in syria and the nuclear threat from north korea pushing him to seek help from russia and china, two countries that have not exactly been america's closest allies. we got the best team in the business to break it down and i want to take you first to chris, i want to start with this visit by chinese president xi jinping. this is the most important international meeting we have seen so far. what exactly are the stakes? >> reporter: i think they're enormous. let's start with the economy. you heard that sound byte from the president, family refrain