Donald Trump calls on Russia to hack Hillary Clinton’s emails

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Backlash has greeted Donald Trump encouraging Russian espionage against Hillary Clinton at a press conference Wednesday. Former Secretary of Defense Leon Panetta calls it “inconceivable that any presidential candidate would be that irresponsible.” The GOP leadership is staying mostly silent on the issue, but House Speaker Paul Ryan said “Putin should stay out of this election.” NBC’s Hallie Jackson reports for TODAY. (Run time: 2:43)