Answer: conanobrien

AnswerCrossword Clue
CONANOBRIENLate-night TV host
CONANOBRIENFifth in a series of five TV personalities (starting June 1, 2009)
CONANOBRIENBig name in late-night talk
CONANOBRIENLongtime talk show host with a degree from Harvard