anyway, moving on. >> reporter: the audience at the naacp gathering was skeptical at first. >> after i heard about him a few months ago, i was curious. when i heard it was going to speak today, cay time i came to find out who he was. >> reporter: but came out largely impressed. will you vote for him? >> yes. >> reporter: do you think he can beat jim demint? >> hopefully. >> mr. green, how go you think you did? >> he snuck his pun-person campaign out the back door. now, kyra, there were no campaign consultants or speech writers for alvin greene. he wrote his own speech that was handwritten, double spaced on spiral-bound notebook paper. we did try to ask him questions before and after the speech, as you saw. he wouldn't answer our questions