>> mockery is crippling just ask howard dean who was forced to abandon his presidential reservations because of a mic that was turned up a bit too high. many political observers are wondering is chris christie toast. a test of that is set for this weekend. he headed to florida for governor rick scott across the state with high dollar donors, will they buy what christie is selling? can he survive this? it got us thinking about what is survivable and what is not. gary hart, considered a front-runner, wasn't even a month into his quest for the presidency, he had to end his campaign, a political career undone by what the new york times calls a dalliance for the 29-year-old model/actress. a week before he dropped out of the race he addressed questions of marital infidelity. >> it's standard for being well