The Last Word with Lawrence O'Donnell 05/15/13

Sen. Ayotte tries to rewrite Sen. Ayotte

New Hampshire's junior Senator is facing a fierce backlash after she voted against expanding background checks. The NRA and Senator Marco Rubio are trying to help the embattled Republican senator with new TV ads. MSNBC's Lawrence O'Donnell has more in ... more Duration: {{video.duration.momentjs}}