president obama at the white house in the coming hours. he is expected to ask for more air strikes and weapons to fight isis. his visit as the obama administration s pointman calls isis a problem that is off the charts historically. mckirk goes that military action may extend beyond iraq and syria. on the front lines, iraq s oil minister says security forces are pushing back against the militants who attacked the country s largest oil refinery. and isis released a new propaganda video showing off their destruction of ancient city of namu. though isis had to retreat from tikrit. militants are not letting up. the trip to washington comes as his country endures attacks on multiple fronts. reporter: isis is striking back. and hard.