Capt. "Sully" Sullenberger pens op-ed in defense of Biden: 'I stuttered once, too. I dare you to mock me'

Capt. Chesley “Sully” Sullenberger, the retired pilot known for safely landing US Airways Flight 1549 in 2009, authored a New York Times’ op-ed Saturday defending former Vice President Joe Biden’s stutter amid mocking…