donald trump's advisers. sit still for a moment, because we have republican presidential candidate donald trump on the phone with us right now. mr. trump, good morning. your reaction to what happened this morning early in belgium? >> well, i think it's absolutely horrible. you're talking to a great man in walid, he knows this stuff better than just about anybody i can think of. and you have the right man and i will tell you i have been talking about this for a long time. and look at brussels, brussels was a beautiful city, a beautiful place with zero crime. and now it's a disaster city. it's a total disaster. >> mr. trump -- sorry go ahead. >> we have to be very careful in the united states, we have to be very, very vig lantd -- vigilant as to who we allow into this country. >> if you do become president and we're in a situation like this, what would you do to protect america? >> well, again, i think i said it. i would close up our borders to people, until we figure out what's going...