The story

Sens. Mitch McConnell and Elizabeth Dole are two top Republicans lawmakers who find themselves fighting to hold on to their Senate seats.

They're also two reasons why Democrats are talking 60 -- the number of seats needed to secure filibuster-proof majority in the Senate.

"We are feeling really good that we are going to pick up a successful amount of the larger number of seats and have a successful election. As for 60? It is possible," said New York Sen. Chuck Schumer, who runs campaign operations for the Senate Democrats. Read full article »

CNN's Emily Sherman contributed to this report.

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