Melissa Joskow / Media Matters Fox announced Baier and MacCallum will anchor its coverage of Mueller’s congressional testimony Mueller will testify July 24 to the House judiciary and intelligence committees. Former special counsel Robert Mueller agreed to testify on July 24 before the House judiciary and intelligence committees “about his investigation into Russian interference in the 2016 election and possible obstruction of justice by President Trump.” [The Washington Post, 7/12/19] Fox News announced Baier and MacCallum will anchor all-day coverage of the Mueller hearings.