Biden campaigned in Florida Sunday.

TALLAHASSEE, Florida (CNN) – Just two days after completing a three-day bus tour of central and southern Florida, Joe Biden is back in the state for three events Sunday, this time in the north as part of campaign’s final battleground state push before Tuesday’s election.

On the campus of Florida State University Sunday morning, Biden continued to deliver the campaign’s ‘closing arguments’ that include a plea to supporters to reach out to Republicans after the election in order to bridge the partisan divide.

For the first time since being named the Democratic vice presidential nominee, a small group of McCain and Palin supporters tried to interrupt the Delaware senator’s remarks from the public sidewalk about 150 yards from the podium. Their chants inaudible through a megaphone, they took to using the device’s siren to disrupt.

Biden referred to “the people in the parking lot” four times, using them as an example of those that Democrats will have to reach out to after Tuesday.

“I mean it literally. Not a joke. I know you find some of that obnoxious,” said Biden. “We gotta end this. Somebody's got to be big enough to stand up and end this.”

There’s also a practical reason, Biden argued, legislation won't be able to pass without bi-partisan support.

“You think we're going to get education reform? You think we're going to re-establish and end this war and re-establish our place in the world without getting a significant portion of Republicans to agree with us as well? No one party can do this.”

Barack Obama and Biden have been targeting McCain and Palin over the past two days for the endorsement they received from Dick Cheney on Saturday, asking if any more proof is needed that this Republican ticket would be a continuation of the Bush-Cheney administration.

“Folks, John McCain and Sarah Palin can have Dick Cheney’s endorsement,” said Biden, We’ll settle for people like Warren Buffett and Colin Powell.”

After Sunday in Florida, Biden continues the swing state tour in the campaign’s final hours, heading to Missouri Monday morning, Ohio in the afternoon and Philadelphia at night. After voting at home in Wilmington Tuesday morning, he will visit at least one more swing state before joining Barack Obama in Chicago.