Instead of throngs of tourists, every day Diaz sees buses cross from the United States full of deportees. They’re taken to a sports complex in Nogales, which has been turned into a shelter as part of the country’s "Mexico Embraces You" program.

The tariffs President Donald Trump has threatened to impose on imports from Mexico and Canada would drive up the price of gas, groceries and homes in Arizona, economists say – and could blow a hole in state and local budgets that rely heavily on tourism.

Mexico is the biggest customer for Arizona exports – $8 billion worth ... second only to the 8 billion pounds imported through the South Texas city of Pharr, according to the association.