Challenging Charlie Crist's credibility, NBC News' David Gregory hammered away at the independent Senate candidate's "evolving" positions on a host of issues Tuesday night.

On June 30, 1972, two weeks after the Watergate burglars were taken into custody, Richard Nixon vetoed a congressional bill to double and treble federal funding for public broadcasting.

Fresh from a bruising, final governors race debate, Republican Rick Scott and Democrat Alex Sink hit the road Tuesday in a homestretch drive to push their voters to the polls while sharpening their attacks on each other.

With Barack Obama winning more than 66 percent of the district in 2008 and Democratic U.S. Rep. Kathy Castor winning more than 70 percent of the vote that year, Republican Mike Prendergast, a retired Army officer and one time aide to U.S. Sen. Bob Graham, has his work cut out for him if he wants to knock off the incumbent.

Following Monday nights debate, momentum in Floridas race for governor appears to be slowly shifting to Rick Scott. Republican Scott jumped to a 2-point lead immediately prior to, and during, his red-hot CNN slugfest with Democrat Alex Sink.

Mired in third place in the polls, Democratic U.S. Senate candidate Kendrick Meek unleashed a new line of attack against Republican Marco Rubio who is the clear front-runner in the race.

As the close contest to be Floridas next governor enters its final week, Democratic candidate Alex Sink and Republican candidate Rick Scott crossed lances in their last debate of a contentious election fight -- this time involving national rather than state issues, and this time showing the country a verbal bare-knuckle brawl, Florida-style.

On Monday, Florida pulled within $300 million of reaching the $2.6 billion necessary for a long-proposed bullet train connecting Tampa and Orlando to leave the station -- a figure opponents once successfully used to derail the train as too expensive, U.S. Sen. Bill Nelson said Monday.

With little more than a week to go until the election next Tuesday, the attacks are flying in the battle to be Floridas next attorney general.On Monday, Democratic candidate Sen. Dan Gelber jabbed Republican nominee Pam Bondi as they continue to fight for attention from voters more familiar with the dramatic gubernatorial and U.S. Senate contests.