Canadians' return travel from trips to the U.S. has fallen sharply, 23% by car in February compared with the same month last year. Forecasts call for even sharper declines in air travel between Canada and the U.

A growing number of travelers say they are worried about feeling unwelcome or unsafe in America and are reluctant to support the economy of a country that may be destabilizing other nations.

The details of Trump's next round of import taxes are still sketchy. Most economic analyses say average U.S. families would have to absorb the cost of his tariffs in the form of h