India, April 13 -- Bernie Sanders made a surprise appearance at the Coachella Valley Music and Arts Festival on Saturday night. He delivered a brief speech urging young people to fight for the future of the country before introducing performer Clairo. The Vermont senator received some boos from the crowd when he brought up President Donald Trump.

Joining Sanders on stage was U.S. Rep. Maxwell Frost, the youngest member of Congress, representing Florida's 10th Congressional District.

"I wanted to thank Clairo for allowing me to get up here and to thank this guy, you may or may not know him, but Maxwell Frost, he's a member of the United States Congress, the youngest and in my view one of the best members," Sanders said. "I'm not going to...