Barack Obama: We'll "Scoop the Poop"

Barack Obama says his daughters Sasha, 7, and Malia, 10, will have chores at the White House -- including picking up after their new pup.

They'll "scoop the poop," he told Barbara Walters in a 20/20 interview Wednesday. "We've been talking to them about that. We don't want litter on the White House lawns. They're going to have to do their job."

Look back at famous first children.

(Incidentally,...