The United States is experiencing a decline in tourism that started last year and just keeps going. The United States is receiving fewer foreign visitors, reports the International Business Times. The media outlet cites research done by Foursquare that finds that, "America's 'market share' in international tourism" fell by 16 percent by March 2017, if compared year-over-year. According to IBT, Foursquare "analyzed data gathered from over 50 million mobile users across the world. It studied the kinds of foot traffic associated with leisure travel and with business travel. Foot traffic refers to pedestrian visitors to a business or commercial site." Instead of using official hotel and airport data, the study focused more on stops made at venues such as convention centers, restaurants, museums, stores and other sites by tourists visiting from abroad. The question is, why? IBT has one very specific reason: US President Donald Trump's executive order that was supposed to stop people from