LIEBERMAN’S ‘REGRET’…. Before Senate Democrats decided not to punish Joe Lieberman for his betrayals, there was some talk, most notably from Sens. Amy Klobuchar (D-Minn.) and Evan Bayh (D-Ind.), that the Connecticut independent would have to “apologize” for his behavior during the campaign. We heard Lieberman talk about “regret” earlier this week, but words like “sorry” and “apology” have been noticeably absent.

Tom Brokaw brought up this point with Lieberman on “Meet the Press” this morning, and Lieberman continued to be evasive about his repentance. He twice referenced remarks made in the “heat of the campaign,” for which he feels “regret.” Brokaw noted, “I hear the word regret, but not the word apologize.” Lieberman responded that he’s “going forward,” adding, “You can take from the word “regret” what you will. I wish I had not said some of the things I’ve said. But again, we all do it.”

In the same interview, Brokaw asked which campaign remarks he regretted most, Lieberman said, “I don’t want to go into the details.”

I can’t imagine why not.

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Follow Steve on Twitter @stevebenen. Steve Benen is a producer at MSNBC's The Rachel Maddow Show. He was the principal contributor to the Washington Monthly's Political Animal blog from August 2008 until January 2012.