Can the UK protect itself from the danger presented by its citizens returning after fighting for ISIS â perhaps to continue the war at home? Prime Minister David Cameron believes that British security forces have the authority to take temporary steps to block their return, but wants Parliament to pass a law granting more permanent power to impose a de facto exile on British nationals who fight for ISIS and other terror groups:CLICK ABOVE LINK FOR THE VIDEO British Prime Minister David Cameron announced Monday temporary enhanced powers for police designed to keep Islamist extremists in Britain from traveling...