Remember Madonna Constantine, the black female Columbia University professor who found a noose hanging from her door last fall, sparking an outburst of discussion as to whether Columbia was a racially insensitive place, and even prompting a slew of http://gothamist.com/2007/10/12/noose.php " target="_blank">copycat hate-crimes? Well, she's back in the news again, under similarly unfavorable circumstances: The Columbia Spectator is reporting that the good professor has been sanctioned by the university for "numerous instances" of plagiarism in papers she published in academic journals over the past five years.