Hundreds of students at several different San Antonio schools called for an end to gun violence Friday by participating in walkouts and on-campus events.

For many who participated, ending gun violence means tightening gun control.

On This episode of "Texas Matters":

• There's too much plutonium in Texas. The Pantex facility near Amarillo has so much of the nuclear material that it has exceeded storage capacity. 
• We look at the forgotten episode in the Great Depression when 500,000 Mexicans and Mexican Americas were forced out of the nation. We'll revisit how the story was covered at the time by three newspapers in San Antonio (09:30).

This week on Fronteras, National Guard troops arrive on the border, and students expand their knowledge of Mexican food culture through “taco literacy”’

• President Trump has called for National Guard members to deploy to the U.S.-Mexico border. Troops are making their way into South Texas (0:00).
• Tarrant County partners with U.S. Immigration and Customs Enforcement to enforce immigration law (4:28).
• A mural of a Mexican abuela peers down on the West Texas border town of Presidio (9:00).
  
• Students gain insight into Mexican-American culture through “taco Literacy” (12:47).

Fiesta weekend is upon us, and here are a few ideas about where to go and what to do.

Eighth graders at Great Hearts Monte Vista North charter school Wednesday were assigned homework that suggested there is a positive side to slavery.

The students were told to give a balanced view of the life of slaves by listing the pros and cons.