As the impeachment inquiry prepares to move to a trial in the Senate, former Congressman Bill McCollum sits down with "The Investigation." As one of the House impeachment managers during the Clinton impeachment trial, McCollum shares his view of the impeachment inquiry: "it's that grave a nature that ought to be determined by the voters next year, the election." The former Congressman sees little comparison between impeachment trials, calling the case against President Trump, "Very stretched, very thin, very different." But first, "The Investigation"team along with Senior National Correspondent Tom Llamas give an inside look into ABC's investigation of 2020 candidate Mike Bloomberg and allegations that his company has a culture of sexist commentary and a toxic environment for his female employees that arose in the 80's and 90's.

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The Investigation is produced by ABC Audio.

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