When I saw the images of resolute 20-somethings wielding signs and waving Mexican, Honduran and Salvadoran flags, a sea of green ... two Houston-area high school mariachi bands gave an impromptu ...

Americanism. Quite the opposite—it is an expression of cultural pride, dignity, and resistance in the face of racism and intolerance. In the United States, waving the Mexican flag—or any national flag ...