He organized the largest concert in the world. Why an interaction with a restaurant employee years later made it all worth it

Celebrating the 40th anniversary of Live Aid, co-organizer Bob Geldof sat down with CNN’s Bill Weir to discuss the 1985 concert that raised tens of billions of dollars for famine relief in Ethiopia. Watch CNN Original Series “Live Aid: When Rock ’n’ Roll Took On the World” Sundays at 9pm ET/PT, premiering July 13.