For the CNBC employees who boarded a charter plane right after Wednesday's bruising GOP debate, the redeye flight was physically smooth but emotionally turbulent. People were exhausted, but also rattled and worried. "We were shell-shocked," one source said. The poor reviews were piling up - declaring CNBC the biggest loser of the night - and the moderators Carl Quintanilla and Becky Quick knew more would be published by the time the flight landed in New York. So for some flyers, it was a sleepless night. But there was some laughter and some liquor to lighten the mood - and some...