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Sen. Bob Corker (R-Tenn.) said Republican lawmakers are working feverishly to get the GOP tax bill across the finish line, but he has concerns about ballooning the deficit

"We're trying to make this bill one that not only serves our immediate interests as a nation, but also our long-term interests," Corker said on "Fox & Friends" this morning.

Corker didn't commit to a "yes" or "no" vote, as he's worried about the $1.4 trillion that the proposed tax cuts are expected to add to the deficit over a decade.

He said there needs to be a "backstop" or "trigger mechanism" that would raise taxes if the plan does not boost the U.S. economy enough after several years.

Corker, who is not seeking re-election, said he doesn't want to support something that "damages the nation" and "passes on debt" on his way out the door.

"I've been a deficit hawk for 11 years. What I don't want to do is lose my integrity and actually help hurt our nation and our children when we have 20 trillion in debt," he said.

Brian Kilmeade noted that Corker has often been at odds with President Donald Trump, and he asked if Corker's personal animus could factor into how he votes.

"I would never vote against something because of some disagreement I have with an individual, nor would I vote for something solely because I like someone," Corker said.

Watch more above.

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