It's 96 days now since President Obama ordered U.S. forces to begin airstrikes against the forces in Libya of Col. Moammar Gadhafi. That's six days longer than the 1973 War Powers Resolution, which says a president can carry out a military campaign without congressional authorization. Two measures were brought before the House of Representatives that might have provided such authorization, albeit with strings attached. Both failed. NPR's David Welna reports.