A Biden Problem: Foot in Mouth  Senator Joe Biden, D-Del., the
loquacious chairman of the Senate Foreign Relations Committee
who launched his presidential campaign today, may be
experiencing an ailment not entirely unknown to him: foot in
mouth disease.   Immediately the conservative media
establishment -- Rush Limbaugh, the Drudge Report, bloggers --
publicly pounced. At Townhall.com, Mary Katherine Ham wrote: "A
clean black man? The first black guy on the American political
scene who can both shower regularly and speak properly? Is that
really what Biden thinks? If a Republican had said this, we'd
have a national outpouring of grief over the residual ignorance
and racial insensitivity in our country, and the guy would be in
sensitivity training until around about the time John Kerry is
elected president."  "'He is a clean African-American'?"
Limbaugh asked. "If Biden thinks that Obama is clean then he has
to think that others are not clean. Does he mean that he knows
that Jesse Jackson is not clean? Does he