EXCLUSIVE: The top House Republican overseeing Europe policy is blaming the riots roiling French cities on mass migration, and warning the U.S. could soon follow suit.Rep. Keith Self, R-Texas, told Fox News Digital that he was not surprised by the violent demonstrations across France — and moreover, argued they were a long time coming."They've been allowing this to happen for years and years, so they are reaping what they sowed," Self said. "We're also trying to get a handle on our mass migration consequences, just like France should have done years ago. That's why I say this is a lesson to Am...