All eyes on Bredesen as Democrats seek 'game-changer' in Tennessee U.S. Senate race

Former Gov. Phil Bredesen speaks during a meeting with Chattanooga Times Free Press editors and reporters held Thursday, Oct. 2, 2014, in Chattanooga, Tenn.

Democrat Phil Bredesen's sudden interest in running for U.S. Senate has emerged as a potential game-changer in Republican-dominated Tennessee, leading political analysts to see a new path for Senate Democrats in Washington to try to take control of the upper chamber.

It seemed improbable just weeks ago that the former Tennessee governor - who left office in 2011 and has stayed largely out of the spotlight since - would re-enter politics.

But now, some Democrats are privately growing optimistic that, after he initially ruled it out, he's moving toward a run for the seat, held by retiring Republican Sen. Bob Corker.

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