The call sounds like it is coming from President Donald Trump's 2020 re-election campaign. It even uses a recording of the President's voice: "I'm Donald Trump. Tonight I am asking you to defend our very dangerous southern border, out of love and devotion to our country." A deep-voiced narrator then comes on asking the listener to "be one of the hundreds thousands of patriots that helped President Trump finally build a the wall by making a one-time urgently needed donation to the campaign." Calls like this one, said to number more than 200,000, have helped raise more than $100,000 in...