juliana: trump insists he never met kovaleski and doesn't know what he looks like, but kovaleski says he covered the real estate mogul in the 1980's, and they were even on a first-name basis. mr. trump: i really don't know him. i was very expressive in saying it. i don't take that back, because the person was groveling. please nicely escort the person out. juliana: but trump did strike a softer tone when black lives matter protestors interrupted the rally. mr. trump: don't be rude, please, don't be rude, but don't hurt the person. juliana: he said he learned his lesson after saying, "this protestor should have been roughed up" last week in alabama. mr. trump: do you see how diplomatic i've become? we had one person who was really, really being bad. alyx: at the same rally, trump also pointed out his standing in the polls and dismissed two rivals who are from florida, marco rubio and jeb bush. and we have more details this morning on ben carson's trip to the middle east. the presidential candidate visited with syrian refugees in jordan. carson released a statement efforts in the refugee crisis , saying the rest of the world could b