“The Pump” rebroadcasts a look at a new heart pump that may save the lives of those who cannot get heart transplants. “LBJ Tapes” rebroadcasts a segment on the tape recordings made by Lyndon Johnson and his wife during his presidency. “Con Man” rebroadcasts an interview with a French con man who tricked people into believing he was a Rockefeller. “Andy Rooney” talks about annoyances with the mail.