Photo by: Tony Avelar Singer Britney Spears performs on ABC's "Good Morning America" show at the Bill Graham Civic Auditorium in San Francisco on Sunday, March 27, 2011. (AP Photo/Tony Avelar)
4 astronauts return to Earth after being delayed by Boeing's capsule trouble and Hurricane Milton Shares
Quarter Pounders are off the menu at 20% of McDonald's in US as E. coli cases are investigated Shares