NEW YORK, NY – DECEMBER 01: Co-Founder of ONE and (RED) singer Bono attends the ONE Campaign and (RED)’s concert to mark World AIDS Day, celebrate the incredible progress that’s been made in the fights against extreme poverty and HIV/AIDS, and to honor the extraordinary leaders, dedicated activists, and passionate partners who have made that progress possible. At Carnegie Hall on December 1, 2015 in New York City. (Photo by Dave Kotinsky/Getty Images for The ONE Campaign)