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Ahead on the 3/22 Maddow show

Tonight's guests include:Scott Helman, co-author of "The Real Romney" and staff writer at The Boston GlobeRichard Carmona, (D) Arizona

Tonight's guests include:

Scott Helman, co-author of "The Real Romney" and staff writer at The Boston Globe

Richard Carmona, (D) Arizona senatorial candidate, former Surgeon General under Pres. George W. Bush, currently petitioning against the Arizona contraception bill

Rev. C. Welton Gaddy, president of the Interfaith Alliance, pastor of Northminster Church in Monroe, LA, updates at @WeltonGaddy

While watching tonight's video preview, take a listen to tonight's soundtrack. (Just be sure to allow the ad below to play out entirely before starting the song)

Executive producer Bill Wolff shares a preview of tonight's show: