IE 11 is not supported. For an optimal experience visit our site on another browser.

Ahead on the 1/17 Maddow show

Tonight's guests include:State Sen. Jon Erpenbach, (D) WisconsinRev.

Tonight's guests include:

State Sen. Jon Erpenbach, (D) Wisconsin

Rev. Al Sharpton, host of “Politics Nation” on msnbc

Jonathan Cohn, senior editor of The New Republic

Executive producer Bill Wolff shares a preview of tonight's show. While watching the video, take a listen to tonight's soundtrack.