Yep, this is certainly a sign of a confident three-term incumbent:

U.S. Sen. Joe Lieberman is taking his re-election campaign to the radio airwaves, unveiling his first advertisement in this year's election.

The spot touts the veteran Democrat's environmental record and his efforts to protect Long Island Sound and the Arctic National Wildlife Refuge.

"We have a great story and we're going to tell it," said Lieberman's campaign manager, Sean Smith. "This is just the beginning of reminding people of a guy who has fought and delivered for the people of Connecticut."...

Smith would not say how much money the campaign spent on the spot. He said the ad will run statewide for a couple weeks.

He's really releasing an ad in March? And touting his questionable stance on envirnomental issues is the best he could come up with? Wow.

Sounds like Joe is worrying about his 1Q financial showing, too:

Also Tuesday, Lieberman sent out an e-mail to supporters asking them to contribute to his campaign about a week before the next campaign finance filings are due. Lieberman predicted in the e-mail that he will face a tough re-election.

Joe's nervousness is understandable. The blogosphere is buzzing, he's pissed off local media and insulted Democratic voters, and delegates across the state (including, just tonight, apparently at least half of Branford's delegates) are turning in droves to Ned Lamont.

I can't wait to hear Sean Smith's "great story" hit the airwaves. Is it going to be about how Joe "hasn't really had a dialogue with Connecticut voters about Connecticut issues in a while?"