Supreme Court Justice Ruth Bader Ginsburg, 66, the second woman ever to serve on the nation’s highest court, from colon cancer. She underwent surgery Friday and is expected to be hospitalized for a week . . . “Price Is Right” host Bob Barker, 75, who will undergo surgery today to unblock an artery on the left side on his neck. “If it’s not treated he could potentially have a stroke, which is why he wants to undergo treatment right away,” said a George Washington University Hospital spokesperson.