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Ahead on the 5/4 Maddow show

Tonight's guests include:Bill Richardson, former New Mexico governor and former United Nations ambassadorPeter Zuckerman, former Idaho Falls Post

Tonight's guests include:

Bill Richardson, former New Mexico governor and former United Nations ambassador

Peter Zuckerman, former Idaho Falls Post Register reporter

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)

Senior show producer Cory Gnazzo shares a preview of tonight's show: