On this day: February 14

POSTED: 11:55 PM Feb 13 2013   UPDATED: 2:00 AM Feb 14 2013
Jackie Kennedy, 1962 White House TV tour

Saint Valentine dies a martyr, President Polk has his picture snapped, Al Capone sends his foes a violent Valentine's Day message, and Jackie Kennedy invites TV viewers inside the White House, all on this day.