CHARLES KRAUTHAMMER: The problem, I think, is how this was done. When Cruz speaks about this being an abuse of power and he makes the analogy to Obamacare, here's whether had the two are linked. In our history, you generally do not pass sweeping legislation like Obamacare that affects everybody, a sixth of the economy, on the straight party line vo

ABC News: On the 50th anniversary of President John F. Kennedy's assassination, President Obama said that although the tragedy transformed the U.S. Secret Service, which protects him and his family today, he doesn't spend much time worrying about his personal safety. "It's not something I think about," Obama told ABC News' Barbara Walters in an

JOE SCARBOROUGH: Well, they can make that argument, but if you listen to what they said when they were the minority, this is a grave challenge to America’s democracy as we know it, and as Barack Obama wisely said when he was Senator in 2005 on that floor speech, if you are already have a partisan environment, and you bring out the nuclear option,

HILLARY CLINTON: We were in another one of these dramas in Washington -- would we or would we not default on our debt? And all the business leaders wanted to talk to me about was, 'was the United States going to default on its debt?' And I kept saying, 'Oh, of course not. We would never do that.' And just hoping and praying that I was right. Wh

SEN. CARL LEVIN (D-MICHIGAN): Mr. President, in the past, a few Senate majorities, frustrated by their inability to get certain bills and nominations to a vote, have threatened to ignore the rules and to change them by fiat and to change rules to a majority vote change. Rule 22 of the Senate requires two-thirds of the Senate to amend our rules. A n

GRETA VAN SUSTEREN: What so President Obama do, if anything? I mean, is there anything -- would making a statement or putting this out as a public dialogue, would that help? FMR. REP. ALLEN WEST (R-FL): I think it would help because you can't just cherry-pick when you want to intervene. You can't look at the Skip Gates issue and say that the pol

Chris Matthews and Vincent Bugliosi "drive a stake" through the heart of conspiracy theories that Lee Harvey Oswald didn't work alone.

LAURA INGRAHAM: And yes, Republicans may have lost a lot of their leverage today in the U.S. Senate, but if they take back the Senate on the heels of the Obamacare implosion, Democrats may regret going to defcon 1. This rank power grab should make it obvious to all congressional Republicans that they shouldn't waste time working with Democrats on

Today, for the first time in nearly 40 years, the Senate changed its rules on filibusters. Senator Tom Udall and Senator Tim Kaine join Chris Hayes to discuss the consequences.

George Will, A.B. Stoddard and Steve Hayes discuss the president's health care plan.