are there legitimate reasons to slow the process or is this just islamophobia? joining me for insight and analysis are tom brokaw of nbc news, kathleen parker of the "washington post," colleen cooper of the "new york times" and ron fornier of the "national journal." welcome to sunday and a special edition of "meet the press." good sunday morning. the belgian capital, brussels, remains in lockdown with soldiers on the streets amid fears of an imminent isis attack. police in that city are also searching door to door for one of the paris attackers who is believed to be hiding somewhere in the brussels area. meanwhile, overnight in malaysia president obama struck a different tone than he did earlier this week and he addressed americans' fears about terror specifically. >> the most powerful tool we have to fight isil is to say