Wall closing in? Judge forces Trump aide to testify as Giuliani subpoena drops

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A federal judge has ruled former White House Counsel Don McGahn must testify before Congress. This comes as lawyer Rudy Giuliani recently appeared on Fox News touting potential blackmail against his client, President Trump. ABC News also reports Lev Parnas, Giuliani’s former associate continues to provide damning information against him. MSNBC Chief Legal Correspondent Ari Melber reports on breaking developments.