03/28/2008 02:43 am ET | Updated May 25, 2011

Bruce Springsteen Tour Politically Charged, Calls Bush "President Bystander"...

Branching off from his rock'n' roll roots, Bruce Springsteen kicked off his summer U.S. tour on Saturday with songs made famous by folk musician and activist Pete Seeger and strong political overtones.

Backed by a raucous 18-piece band, Springsteen played folk tunes including "We Shall Overcome," an anthem of the U.S. civil rights movement and "Bring Them Home," an anti-war song dating to the Vietnam War era.

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