A new lawsuit filed on behalf of the county of El Paso, Texas argues that Trump's national emergency declaration to build a wall is unconstitutional with the most high-powered legal team that has joined this fight. Co-counsel Laurence Tribe says he's never had an opponent quite as helpful as Trump, whose public statements undermine his case for a national emergency. Lawrence also discusses with co-counsel Stuart Gerson.Feb. 22, 2019
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