President Barack Obama vowed to do whatever is necessary to clean up the Gulf as he returned to Washington to address the nation, following his visit to survey damage from the blown-out oil well. Judy Woodruff gets a preview of…

Crews made some headway in dispersing millions of gallons of leaked oil as seas and winds calmed in the Gulf of Mexico. Tom Bearden reports from Louisiana on the challenges still ahead for containing and cleaning up the spill, then…