With two weeks to go until Election Day, the Senate map still favors Republicans. Montana Sen. Jon Tester remains the likeliest Democrat to lose reelection, which along with the GOP’s certain pickup in West Virginia, would get Republicans to 51 seats. But the trio of “Blue Wall” states are getting tighter for Democrats as well.

The next tier of four races in our Toss Up column will likely determine the size of a GOP majority. Historically, most of the contests in this column have broken one way, and we wouldn't be shocked to see that happen again.

Ohio remains the toughest for Democrats in this column, and Republicans are enthused by their own polling showing Republican challenger Bernie Moreno opening up a small lead. However, Democratic Sen. Sherrod Brown continues to lead by a small margin in other surveys and still very much has a chance.

We recently moved Wisconsin into Toss Up, and we view the Badger State as the GOP’s next best chance as a flip. Michigan also remains tighter in internal polls than public surveys show, but

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