Pentagon plans to 'annihilate' IS fighters

President Donald Trump has instructed the Pentagon to "annihilate" the Islamic State group in Syria in a bid to prevent escaped foreign fighters from returning home, Defense Secretary Jim Mattis said Friday.The move to encircle then kill as many jihadists in place as possible -- rather than letting them exit a city and targeting them as they flee -- reflects an increased urgency to stop battle-hardened jihadists bringing their military expertise and ideology back to European capitals and other a