McChrystal to Administration Official: 'I've Compromised the Mission'  —  During his round of phone calls to top officials of the Obama administration whom he and his team disparaged to a Rolling Stone reporter, Gen. Stanley McChrystal said, “I've compromised the mission,” a senior administration source tells ABC News.

McChrystal article renews attention to split with Biden over Afghanistan  —  Vice President Biden may have lost the battle last fall over the administration's Afghanistan strategy.  But with Gen. Stanley A. McChrystal — his chief rival during the protracted debate — now in trouble, will Biden be poised to win the bigger war?

How ‘Rolling Stone’ Got Into McChrystal's Inner Circle  —  Reporter Michael Hastings explains the backstory to the piece that upended a general—and maybe even a war.  —  It's the kind of story that ricochets through Washington—and around the world—at lightning speed.

Breaking: General Stanley McChrystal tenders his resignation  —  A senior Capitol Hill source tells me that General Stanley McChrystal had tendered his resignation to President Barack Obama and that the White House is actively discussing a replacement who could be quickly confirmed by the Senate.

Obama plans Wednesday showdown with McChrystal  —  Gen. Stanley McChrystal's MacArthur moment was more than an embarrassment for the White House — it was a reminder of just how badly Barack Obama's “good war” in Afghanistan is going.  —  The challenge facing Obama in responding …

National Republicans get their candidates  —  The Republican Party got the results it wanted from Tuesday's primaries — for the most part.  —  Its first big wins of the night came in South Carolina, where gubernatorial candidate Nikki Haley and congressional candidate Tim Scott won their respective runoffs easily.

Palin racks up two more wins  —  Two South Carolina Republicans who received the backing of former Alaska Gov. Sarah Palin emerged victorious in their run-off elections Tuesday.  —  Palin had endorsed gubernatorial candidate Nikki Haley and publicly stuck with her amidst allegations of an extra-marital affair.