Mark Penn to resign.

Per ABC,

ABC News' George Stephanopoulos and Eloise Harper report: Sen. Hillary Clinton's chief strategist Mark Penn is stepping down from the campaign, sources close to the campaign tell ABC News.

Later: It's official. AP.

(Although it actually sounds more like a demotion. He's still going to be involved in the polling and offering "advice.")

And, This is interesting, "Mrs. Clinton has not spoken to reporters since the news of Mr. Penn’s meeting with the Colombian officials broke at the end of last week." (Three days.)