Students Aldo Vazquez (left), 17, and Juan Guerero, 10, pause next to a photo of late Bobby Salcedo during a vigil at Mountain View High School in El Monte, Calif., on Monday. Damian Dovarganes/AP hide caption

Soldiers patrol on the outskirts of Ciudad Juarez, Mexico, just across the Rio Grande from El Paso, Texas. Rodrigo Abd/AP hide caption

Somi sings in English, as well as three African languages. She has lived mostly in Illinois and New York but grew up in Africa. Matthew Furman hide caption

Texas House Speaker Joe Straus is one of the newest stars of the Republican Party, but whether he can carry his appeal nationally remains to be seen. Harry Cabluck/AP hide caption