Associated Press

After coming in second in the Delaware primary Tuesday night, Newt Gingrich conceded Wednesday that his campaign was all but over. "You have to at some point be honest about what's happening in the real world as opposed to what you would like to have happened," Gingrich told supporters in North Carolina Wednesday morning. NBC reports that Gingrich will officially end his campaign on May 1, and that there is a "high likelihood" he will endorse Mitt Romney then.

May 27, 2011: Et tu Brute?
Associated Press

Gingrich calls Paul Ryan’s Medicare proposals “right wing social engineering,” evoking howls of protest from betrayed conservatives who immediately realize that an Obama television ad has just been born. Paul Ryan says “with friends like that, who needs enemies?”

June 7, 2011: Adrift at sea
Associated Press

Word leaks out that Gingrich is on a cruise ship between Greece and Turkey. Politico’s Ben Smith emails Gingrich’s spokesman for comment and get this is in reply: “αριθ. Σχ?λιο,” which is apparently Greek for “no comment.”

Nov. 19, 2011: ‘Get rid of the unionized janitors’
Associated Press

During a campaign event at Harvard, Gingrich proposes that poor kids should develop a work ethic by working part-time at their schools as janitors. “Most of these schools ought to get rid of the unionized janitors, have one master janitor and pay local students to take care of the school.”

December 1, 2011: Oozing confidence
Associated Press

Gingrich tells ABC Jack Tapper that he will not respond to negative attacks from Romney and others because “they are not going to be the nominee. "I’m going to be the nominee.” He vows to stay substantive and focus on Obama.

Dec. 12, 2011: A friendly Lincoln-Douglas debate with Jon Huntsman Jr.
Associated Press

Newt and rival GOP candidate Huntsman do the whole Lincoln-Douglas debate thing in New Hampshire, where the candidates can expound without any time constraints on their answers. Ultimately, they spend 90 minutes discussing foreign policy and national security. The Los Angeles Times reported, “The candidates kept the conversation very friendly, noting often the areas where they agreed while shying away from discussing their disagreements.”

Jan. 7, 2012: Ron Paul lays into Gingrich during debate
Associated Press

During a Republican presidential debate in New Hampshire, Ron Paul acores some serious points against Gingrich over the issue of military service. “Paul has been attacking Gingrich for not serving in the military while supporting potential military action in places like Iran,” Talking Points Memo reported. “Gingrich responded that he wasn’t able to be drafted because he was married with a child. However, Paul had a ready answer to that. … ‘When I was drafted, I was married and had two kids. And I went.’”

January 12, 2012: No More Nice Guy
Associated Press

Two weeks after leading the Iowa polls, Gingrich falls to fourth place under a barrage of Super PAC ads from Romney supporters highlight his less-than-conservative moments. He is now finished turning the other cheek and vows to hammer Romney in New Hampshire.

January 19, 2012: The Ex-Wife Strikes Back
Associated Press

Gingrich’s bitter second wife records an interview with ABC, released on the night of the South Carolina debate, in which she accuses him of having pressed her for an “open marriage” when his affair with his current wife, Calista, came to light. CNN’s John King presses Gingrich on the question, and he fires back and wins over the crowd.

March 6: Gingrich wins Georgia
Associated Press

On Super Tuesday, Newt bests Mitt Romney, 47-26, to win the Republican primary in his home state of Georgia. Coupled with his Jan. 21 win in South Carolina, Georgia represents Gingrich’s second win of the primary season — and In time, it will prove to be his final victory.

March 28: Super PAC sugar daddy withdraws support
Associated Press

Sheldon Adelson, the billionaire casino magnate whose family poured more than $16 million into the Gingrich-friendly super PAC Winning Our Future, has finally had enough of Newt’s lackluster performances in presidential primaries. “Adelson spoke informally to a small group yesterday at his hotel and casino, The Venetian,” New York Magazine reported. “(He) said he believes Gingrich is ‘at the end of his line’ with respect to his chances of winning the GOP nomination.”