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Ahead on the 9/24 Maddow show

Tonight's guests include:Sen.

Tonight's guests include:

Sen. Sherrod Brown, (D) Ohio

Melissa Harris-Perry, host of “Melissa Harris-Perry” on msnbc, professor at Tulane University

Here's a tune!

And here's Bill Wolff, executive producer of the Rachel Maddow Show, with a look ahead: