Jim Mattis, the former Marine Corps general and Pentagon chief, has lashed 2020 Democratic front-runner Joe Biden for fueling the rise of ISIS by insisting on the total withdrawal of U.S. troops in Iraq. "You may want a war over. You may declare it over. You may even try to walk away from it. But the bottom line is the enemy gets a vote, as we say in the military, and we simply have got to understand that terrorism is going to be an ambient threat," he said in an NPR interview. As vice president, Biden was tasked by President...