Fear, money, and restrictions are a combustible mixture in any business sector, but in travel it can be a death knell for some businesses. The tariff situation is changing daily, and while the emphasis has been on physical goods, there is a growing shadow on tourism. Aran Ryan, Director of Industry Studies at Tourism Economics, an Oxford Economics Company, talks about how trade wars negatively affect US travel, how tourism is already taking a hit, and what we can do to ride this out.