President Donald Trump warned Monday that Paris is on course to become a “Muslim city very soon,” blaming France’s escalating unrest on mass immigration and saying he had repeatedly urged French President Emmanuel Macron to close the country’s borders. “Paris is going to be a Muslim city very soon, and that wasn’t the deal,” Trump told reporters at the White House as France grappled with days of violent riots, looting, and arson. Trump said he had warned Macron about the consequences of his immigration policies years before the latest unrest. “Emmanuel, he’s a friend of mine. I told him a...