>> we share schools and streets and lunch counters. >> reporter: sunday he addresses a black church in south carolina. late this afternoon, trump fired back at perry tweeting governor perry failed on the border. he should be forced to take an iq test before being allowed to enter the gop debate. top ten in an average of recent polls will qualify and it will get krutcut throw. throat. >> and hillary clinton is taking a hit when it comes to character issues. ed henry is covering her campaign. >> reporter: while hillary clinton continues to dominate new poll suggests trouble may still be brewing. she leads bernie sanders by 40 points but 50% say her national instincts lean toward hiding the truth, 33% say she leans toward telling the truth, which is why