20 Questions: Martin Mull

20 Questions: Martin MullOnstage or oncamera, Martin Mull perhaps best epitomizes that smug, smarmy, self-righteous know-it-all you'd most like to punch in the mouth. Unless he's on your side. Mull's current incarnation of Mr. Sincerity can be seen in the CBS midseason-replacement sitcom "Domestic Life." When Contributing Editor David Rensin knocked on the front door of Mull's Hollywood Hills home, the suave actor/comedian/painter was surprised that he had made it that far despite the...