Sen. Tim KaineTimothy (Tim) Michael KaineLiberty University professor charged with alleged sexual battery and abduction of student Senate parliamentarian looms over White House spending bill Menendez jabs State official over Colombian group's terror designation MORE (D-Va.) said Sunday that he doesn't think the FBI's new email review will have a real affect on Hillary ClintonHillary Diane Rodham ClintonRepublican Ohio Senate candidate slams JD Vance over previous Trump comments Budowsky: Why GOP donors flock to Manchin and Sinema Countering the ongoing Republican delusion MORE's presidential campaign.

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"I think at the end of the day it's probably going to be a net wash," Kaine, Clinton's running mate, said on CBS's "Face The Nation."

"There was some concern. But then as more information has come out about internal turmoil within the FBI, it generated energy."
 
The Democratic vice presidential nominee said polls began tightening before revelations surfaced that the FBI would be reviewing newly discovered emails "pertinent" to its investigation into Clinton's use of a private server while serving as secretary of State.
 
Kaine chalked the polls up to a "natural tightening" that happens at the end of a race.
 
"Undecided voters if they have a Democratic or a Republican lean, they tend to go back to their team," Kaine said.
 
"And we are seeing that happen at the end. And so the tightening began before."
 
Kaine made clear, though, that the Clinton campaign has seen increased energy since the letter came out and touted the campaign's chances in the race.
 
"People on our side view this campaign as so important," Kaine said.
 
"The 'stronger together' message is so important. And people don't want to be distracted."
 
When asked if Clinton would be able to work with FBI Director James Comey if she is elected to the White House, Kaine appeared to dodge the question, instead saying the campaign is not "ready to assume."
 
"We're not assuming anything about the outcome," he said.
 
"We are focused on doing everything we can to win."
 
The Virginia senator said the campaign feels good about where it is but isn't taking anything for granted.