we caught out with marriott ceo arnie sorenson.e says marriott operates in 110 countries and they've seen the down trends in foreign travel to america. >> 1.3 billion trips, up 7% from 2016. u.s. arrivals were down 4 to 5%. you can see in one year we're losing share. >> reporter: it's a decline that began after trump took office, leading some to call it a trump slump. >> i think we've done a fairly poor job in communicating a welcome to the rest of the world or an invitation to the rest of the world. the president is newsworthy all around the world, people pay attention to what he says, and he has a point of view which is communicated loudly. at the same time we can be saying, we want you to come, take your vacation with us, do business in the united states. come and see us, we're great people, we're friendly, we're welcoming. because i think the world is hearing that maybe we're a little less welcoming than we were before. >> reporter: now tourism and retail leaders are reacting, launching the visit u.s. coalition and asking the t