Indiana Sen. Lugar Targeted for Defeat by His Own Party

Aired: 4/13/2012 | 0:08:26 | Clip
The Senate's most senior Republican, Richard Lugar is under pressure from within his own party to retire or be denied another term. At 80 years old, even Lugar seems slightly baffled about his political detractors. Gwen Ifill reports on the veteran senator's coming primary challenge on May 8.