Former national security official on the importance of Trump's meetings with Netanyahu, Zelenskyy

Ukrainian President Volodymyr Zelenskyy and Israeli Prime Minister Benjamin Netanyahu both met with President Trump separately at the White House on Tuesday. Former Clinton and Obama National Security Council member Charles Kupchan joins with analysis.

Ukrainian President Volodymyr Zelenskyy and Israeli Prime Minister Benjamin Netanyahu both met with President Trump separately at the White House on Tuesday. Former Clinton and Obama National Security Council member Charles Kupchan joins with analysis.