“Gun Rush” rebroadcasts a segment on how Americans are stocking up on weapons even though there is an economic slowdown. “Poisoned” rebroadcasts a segment on how some African farmers are using a deadly poison to kill rare lions that are feeding on their herds. “Steve Wynn” rebroadcasts a profile on the Las Vegas casino mogul. “Andy Rooney” talks about the loss of his friend Walter Cronkite.