File- This June 14, 2016, file photo shows Vice President Joe Biden addressing the White House Summit on the United State of Women in Washington.  Warning of a potential surge in anti-Americanism,  Biden is tearing into Donald Trump's views on foreign policy and urging the country not to follow the presumptive Republican nominee down a path of isolationism and bigotry. Biden plans to deliver a point-by-point rebuttal of Trump's ideas on immigration, terrorism and relations with Russia during a speech Monday, June 20, 2016, to the Center for New American Security.  (AP Photo/Cliff Owen, File)
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