Democrats aren't sweating Senator Mary Landrieu's chances of winning re-election, but a new internal poll for State Treasurer John Kennedy should give Republicans extra incentive to keep pouring resources into Louisiana.

The OnMessage Inc. poll, conducted 10/27-29 for Kennedy's campaign, surveyed 900 likely voters for a margin of error of +/- 3.3%. Landrieu and Kennedy were tested.

General Election Matchup
Landrieu......45
Kennedy.......44

The numbers are a big improvement for Kennedy over recent polls that show Landrieu with a much bigger lead, including a Southeastern Louisiana University poll earlier this week that showed the Democrat leading by 19 points.

Kennedy's campaign credits a new NRSC advertisement that paints Landrieu as a rubber stamp for Barack Obama (The two senators vote together 81% of the time, according to the ad), as well as popular Governor Bobby Jindal's involvement in the race on Kennedy's behalf. Here's the NRSC's new ad, which says she's "not only corrupt, Landrieu is liberal" (We're left wondering which we're supposed to feel is worse):