Ned Lamont, the 2006 candidate who defeated Sen. Joe Lieberman (I) in Connecticut's Democratic primary, said it was wrong to "reward" Lieberman by retaining him as chairman of the Senate Committee on Homeland Security and Governmental Affairs, while hinting he may run against Lieberman again.

"It's about whether or not you want to reward Sen. Lieberman by giving him the Homeland Security committee chairmanship," Lamont said during an appearance on the Rachel Maddow Show. "I think that that was probably the wrong move."

"When he endorsed John McCain, he was endorsing a whole variety of issues," Lamont said, adding that it would have been more appropriate to keep Lieberman on a committee where his political views are less divergent from the Democratic majority in the Senate. "For Sen. Lieberman, it's been all war all the time for the last six years."

Lamont also coyly suggested he may be mulling another run against Lieberman for the Senate. "You never say never," Lamont said in response to a question about his intentions to run.

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-Michael O'Brien