Guillermo Martinez, a fruit and vegetable importer, explains why we eat so much produce from Mexico and how tariffs could impact our grocery bills.

Business groups, economists and even some Republicans cautioned that new tariffs on goods from Canada, Mexico and China could undercut U.S. industry and the economy.

Amid warnings of price increases, Canada moved quickly to retaliate, China said it had planned countermeasures and Mexico said it would ... ha vuelto la cuestión de las deportaciones.