10th anniversary of the Clinton Global Initiative

Musicians Kenny Chesney and Grace Potter arrive at the Hollywood Bowl to perform during a benefit concert celebrating the 10th anniversary of the Clinton Global Initiative.   (Luis Sinco / Los Angeles Times)

Actress Maria Bello arrives at the Hollywood Bowl for the Clinton Global Initiative benefit concert.   (Luis Sinco / Los Angeles Times)

Former President Clinton takes the stage during a benefit concert celebrating the 10th anniversary of the Clinton Global Initiative at the Hollywood Bowl.   (Luis Sinco / Los Angeles Times)

Actor Ashton Kucher introduces R&B singer Usher.  (Luis Sinco / Los Angeles Times)

Usher gives an emotional rendition of the Beatles’ “With a Little Help From My Friends.”  (Luis Sinco / Los Angeles Times)

Usher finishes his number.  (Luis Sinco / Los Angeles Times)

Country singer Kenny Chesney performs.   (Luis Sinco / Los Angeles Times)

Colombian rocker Juanes onstage.  (Luis Sinco / Los Angeles Times)

A red halo hovers over the stage at the Hollywood Bowl as U2’s Bono and the Edge perform.   (Luis Sinco / Los Angeles Times)

The Edge plays guitar and provides background vocals for a rendition of the U2 hit “Sunday, Bloody Sunday.”  (Luis Sinco / Los Angeles Times)

Bono and Somali singer K’naan perform together at the Hollywood Bowl.  (Luis Sinco / Los Angeles Times)