Quoted: Dave Wilcox, a journalism instructor at the University of Wisconsin, teaches undergrads entry level reporting. He blasts both Politico and Roll Call for their reporting today: Politico for running with the post before DeMint?s spokesman challenged the story and Roll Call for running a story based on two anonymous sources. ?You can go with one anonymous source that confirms someone else?s word on the record,? Wilcox said in a phone interview. ?But two people who won?t speak on the record is invalid. We would consider that a fail. That?s from the perspective of teaching young journalism students.?