Gov. Sanford Admits Affair and Explains Disappearance  —  COLUMBIA, S.C. — Mark Sanford, the governor of South Carolina, said he had conducted an extra-marital affair with a woman in Argentina, ending a mystery over his week-long disappearance that had infuriated lawmakers and seemed to put his rising political career in jeopardy.

FIRST THOUGHTS: SANFORD'S TANGO  —  From Chuck Todd, Mark Murray, Domenico Montanaro, and Ali Weinberg  —  *** Sanford's tango: Well, it turns out that South Carolina Gov. Mark Sanford (R) wasn't hiking the Appalachian Trail after all.  Instead, he was in — get this — Buenos Aires, Argentina.

Source: “There Is Some Evidence [Sanford] Was Not Alone”  —  Things are still murky on the Mark Sanford story.  But it's looking increasingly likely that Sanford's trip to Argentina was about more than a scenic drive down the coast.  —  “There is some evidence he was not alone,” a source in South Carolina politics told TPMmuckraker.

On Fox, Mark Sanford “(D)” holds press conference  —  Previously:  —  Media outlets - including Fox - misidentify as Democrats several Republicans facing scandal, poor poll numbers  —  EXPAND ALL EXPAND 1ST LEVEL COLLAPSE ALL

Upon Return, Sanford Admits Extramarital Affair  —  At a news conference in Columbia, S.C., Gov. Mark Sanford has now admitted that he had an extramarital affair with someone in Argentina, as he attempted to explain his mysterious disappearance from the state last week.

Sanford Was in Argentina — Not Appalachian Trail  —  ABC News' Rick Klein reports: The case of the missing governor has a new twist.  —  The State newspaper in South Carolina is reporting that Gov. Mark Sanford, R-S.C., has been located as of Wednesday morning — in the Atlanta airport.

The Crucifixion of Nico Pitney  —  Okay, that's a bit of an exaggeration but the Huffington Post reporter is getting tweaked this morning for the question he posed to President Obama at yesterday's White House Press Conference.  It was an odd moment because normally, of course …