Los Angeles Mayor Eric Garcetti listens as L.A. Unified School District (LAUSD) Superintendent John Deasy (not pictured) speaks at a news conference about the high school students involved in a bus crash, in Los Angeles, California April 11, 2014. Ten people were killed, half of them high school students, when a truck slammed into a tour bus full of college hopefuls heading for a campus tour in northern California on Thursday, police said. REUTERS/Lucy Nicholson (UNITED STATES - Tags: EDUCATION ACCIDENT POLITICS HEADSHOT)