60 Minutes Correspondent Scott Pelley crosses over the border from Chad into Sudan in search of a boy displaced during ongoing ethnic cleansing in Darfur. 60 Minutes Correspondent Lesley Stahl reports on how one man's invention may bring researchers one step closer to finding the cure for cancer. 60 Minutes Correspondent Bob Simon reports on Venezuela's music program that is keeping kids off the streets. 60 Minutes Correspondent Andy Rooney takes a look at the state of travel today.
