Mark Penn and Howard Wolfson do the same for Hillary Clinton.

Michelle Obama says she would “have to think about supporting” Clinton if she become the Democratic nominee.

Jack Nicholson calls into a radio show to express his support for Hillary.

Speculation about John McCain’s possible running mate includes the names Mike Huckabee, John Thune, Tim Pawlenty and Condaleezza Rice.

Eliot Spitzer is proposing an initiative to draw young doctors to underserved communities upstate.

Spitzer calls George W. Bush’s budget “irresponsible.”

Bob Dole writes Rush Limbaugh to defend McCain.

Rory Kennedy endorses Obama in the San Francisco Chronicle.

Joan Baez, picking a candidate for the first time, also endorses Obama in a letter to the editor.

Vanity Fair profiles Obama.

Rupert Murdoch distances himself from the New York Post’s endorsement of Obama.

The Clinton campaign is phone banking at U.F.T. headquarters, even though the union hasn't endorsed her. (President Randi Weingarten is a Clinton supporter).

Obama and Clinton will each appear on a slew of T.V. programs in advance of Super Tuesday.

Writing in City Journal Fred Siegel says of Obama, “It will be ironic if in the name of post-partisanship we manage, with the contrivance of both Left and Right, to elect Oprah’s candidate, a man with a narrowly partisan record who has never demonstrated a capacity (rhetoric aside) either to lead or to govern.”