Rep. Joaquin Castro on Trump as a national security threat

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Texas Congressman Joaquin Castro speaks with MSNBC's "American Voices" host Alicia Menendez about the women who continue to report appalling conditions at some ICE detention centers. Alicia also asks the Congressman about the national security threat posed by the President after former national security advisor H.R. McMaster told the New York Times that he believes the President is “aiding and abetting Putin’s efforts” to disrupt the presidential election.