US Senate up for grabs: Here are the 10 seats — including Georgia — that will decide the majority

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U.S. Sen. Raphael Warnock and his Republican opponent Herschel Walker. (Right, Amanda Andrade-Rhoades, Left, Ben Gray/AP Photo)

At this point, control of the U.S. Senate next year looks like a jump ball.

Four months ago — the last time we wrote about the top 10 seats most likely to change hands — Republicans were growing confident they would win the chamber.

But a lot has changed in that time.