Elizabeth Torres, 36, held a Mexican flag outside the detention center in downtown Los Angeles on Sunday morning. “I am a very proud American,” said Ms. Torres, whose grandparents immigrated ...

The Mexican flag has long been a mainstay at immigration-related demonstrations, particularly in LA, which has deep cultural and economic ties to Mexico and is seen as the capital of the Mexican ...

So, if waving a Confederate flag—a symbol of treason and racial subjugation—is considered “freedom of speech,” why should the Mexican flag be seen as a threat to American identity?

Images of Los Angeles protesters waving Mexican flags have gone viral in conservative circles this week. Many protesters say they are aware of the political reaction but won’t put their flags away.

My students were mostly from Mexico; others were from El Salvador, Guatemala, Nicaragua and Honduras. I chose to fly my Mexican flag in my classroom for everyone to see.