It was as if the caller was a plant by Joan Rivers
on "Watch What Happens Live
" (Sun.-Thu., 11 p.m. ET on Bravo), but it's just that Rivers is such a consummate professional. When a caller asked her about her love life, it set Rivers off on a tirade of quips and one-liners."The only men I go out with have toe-tags." "I went out with this one old guy, he gave me a hickey and left his teeth in my neck."The beauty of Joan Rivers
is that she ...