Tina Fey's "impulse to retire" is "strong". The former 'Saturday Night Live' star is "tired" of hearing about herself and thinks it is time for a new wave of comics to make their way to the forefront.

"Just one more time," says Tina Fey. "It was time for me to go back into something just one more time, before they put me in the ground." With a string of successes from 30 Rock, Mean Girls, Saturday ...