it was picked up by an answering machine after the volunteer didn't hang up before moving on to her next call. the clip aired in tampa on a radio station, wmmf. nbc news hasn't independently authenticated the audio. >> well, he is a muslim. that's push polling. you pretend to be polling and all you're doing is putting out the word the guy is a communist. >> would you vote for someone who believes in communist. we're taking a survey.coup year. for some reason the republican party and their conservative allies can't get away from describing obama as muslim, not born here, not believing in america. >> i know, i know, i know this