anywhere from 12% to 25% of african-american voters have expressed for mr. trump and his candidacy. >> one out of four. that one of my guests yesterday on the mythical african-american groundswell for donald trump that has become a talking point among some of his supporters. in fact, in recent polling of african-american voters conducted last week by cbs news, black voter support for donald trump actually looked like this. 7, and that's in a poll with a plus or minus 4% margin of error indicating the sample size wasn't very large. as for the data used by trump and his surrogates as supposed evidence of african-american support, the sources this "l.a. times" ow usc daily tracking poll that as of october 8th had trump support among black voters at 12.6%. as one opinion researchers described it to the "l.a. weekly" this poll is an extreme outlier compared to every other national pot. joining me now to help parse the polls and make sense of the