johnny, Imus is a maroon. These high-falutin' leftists, most of whom finished high school and did not destroy their brains with cocaine and vodka play this occasionally personable ignorant chump like a violin.
He craves their acceptance. He wants to be "one of them." He raves on and on about Esther "Lobster" Newberg, but never asks her anything about Chappaquiddick, of which she was a key witness and about which she probably commited perjury
I know he's a maroon... a DNC/pMSNBC kiss-a$$... but he happened to ask the right question at the right time to Mitchell. With his minuscule audience... it was lucky that Mitchell's gaffe was picked up at all.