The failure of U.S. Congress to pass a formal authorization for the war against the Islamic State (ISIS) means incoming President Donald Trump—whose brash and impulsive approach to foreign policy has raised alarms—will have effectively unlimited war powers, Politico reported Thursday. In the absence of such a resolution, President Barack Obama has relied on the existing Authorization for the Use of Military Force (AUMF), passed in the wake of the 9/11 terrorist attacks, as justification for military action...