Salsas and other items are seen in the International food aisle of a grocery store Wednesday, Oct. 16, 2013, in Washington. These days, tortillas outsell burger and hot dog buns; sales of tortilla chips trump potato chips; and tacos and burritos have become so ubiquitously "American," most people don't even consider them ethnic. (AP Photo/Alex Brandon)

Photo by: Alex Brandon

Salsas and other items are seen in the International food aisle of a grocery store Wednesday, Oct. 16, 2013, in Washington. These days, tortillas outsell burger and hot dog buns; sales of tortilla chips trump potato chips; and tacos and burritos have become so ubiquitously "American," most people don't even consider them ethnic. (AP Photo/Alex Brandon)