(CNN) - GOP Sen. John McCain of Arizona apologized Wednesday night for taking a dig at Long Island, prompting Democratic Sen. Chuck Schumer of New York to quickly bite back.

"Isn't it true that Justice (Sandra Day) O'Connor was specifically referring to a person who was captured on Long Island? Last I checked, Long Island was part – albeit sometimes regrettably – part of the United States of America," McCain said on the Senate floor Wednesday.
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Washington (CNN) – Deep disagreements surfaced on Capitol Hill Tuesday over whether the United States has moved too quickly to withdraw troops from Iraq.

The Obama administration will withdraw all U.S. military personnel by the end of the year, after negotiations with Iraq broke down last month over leaving behind a small force for training and security. Some 30,000 U.S. troops remain in Iraq now, and only a small number of U.S. military will remain behind, attached to the U.S. embassy in Baghdad.

(CNN) - Sen. John McCain said Monday he was "disappointed" that some candidates vying for the GOP presidential nomination vocally support waterboarding as a technique for interrogating suspected terrorists.

"Ask any military lawyer, ask any person who knows about the Geneva conventions that we're signatories to. We actually prosecuted Japanese war criminals specifically for the act of waterboarding against Americans," McCain said on CNN's "John King, USA."
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(CNN) - Sen. John McCain –a politician who has seen his share of campaign buses– had harsh words Monday for Pres. Barack Obama's choice of election transportation.

"I must say again I have never seen an uglier bus than a Canadian one," the Arizona senator said in a speech on the Senate floor Monday. "He is traveling around on a Canadian bus touting American jobs."

Programming note: GOP presidential candidates next face off at 8 p.m. ET Tuesday, October 18, in the CNN Western Republican Presidential Debate in Las Vegas, Nevada. Submit your questions for the debate here.
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Washington (CNN) – Republican Sen. John McCain of Arizona on Sunday questioned the president’s recent order to send American troops to central Africa, saying the move could put the United States on a slippery slope.

“I worry about, with the best of intentions, that we somehow get engaged in a commitment that we can't get out of,” McCain said on CNN’s “State of the Union.”
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(CNN) -– Sen. John McCain has some advice for Gov. Rick Perry ahead of Tuesday’s CNN Republican debate: Get some rest.

“Every time I made a serious mistake politically - and I’ve made them - it’s been when I’m tired,” McCain said in an interview Friday on CNN’s “The Situation Room with Wolf Blitzer.”
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(CNN) - In an interview deriding the Iranian government for their alleged role in a foiled terror plot against the Saudi ambassador in Washington, Sen. John McCain took a swipe at President Barack Obama Thursday, saying that his failure to support Iranian anti-government demonstrators in 2009 may have allowed the plot to unfold.

McCain, the 2008 GOP presidential nominee, said in an interview on CBS' "The Early Show": "we could have avoided this. We should have supported [the demonstrators], and they could have overthrown the government then."
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(CNN) - Sen. John McCain said Monday he disagreed with former vice president Dick Cheney's assertion that the killing of Anwar al-Awlaki could be equated with enhanced interrogation techniques.

"They're two entirely different things," McCain said Monday on CNN's "American Morning." "One is that this was specifically authorized by Congress after 9/11. And it's action that is taken against a declared enemy of the United States of America. I'm glad they did it. I'm glad that they will continue."
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(CNN) - Republican Sen. John McCain issued a warning Sunday about presidential politics to New Jersey Gov. Chris Christie, who is reportedly considering entering the GOP presidential nominating contest.

Although the 2008 GOP presidential nominee praised the first-term governor’s record in the Garden State, he also said the potential late entry would put Christie at a political disadvantage.
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Tripoli, Libya (CNN) - In his first visit to Libya since the fall of Moammar Gadhafi, Sen. John McCain hailed that nation's revolution as the showcase for the so-called Arab Spring but acknowledged a tough road lay ahead.

"The Libyan people have inspired the world," McCain said. "They have turned cynics into supporters."