This November, all eyes will be on the U.S. Senate, where both parties are fighting to claim majority leadership. In Senate Watch 2020, we'll bring you regular updates, including races to watch, expert predictions, and interviews with the key players. This week, two races switched from "Lean GOP" to "Toss-up."
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Republicans currently hold a three-seat majority in the chamber, which they're hoping to defend come November. There are multiple toss-up races on the horizon, and last week, Politico labeled two additional states "toss-ups": Iowa and Montana.