It was this column:
http://www.usatoday.com/news/opinion/2001-07-25-ncguest2.htm The corrections that followed were that CSU-Bakersfield did not in fact cut its wrestling team, and that a US wrestler did indeed win a gold at the Olympics.
She and Laura Ingraham would alternate writing every other week, but that was the last Coulter USA Today column.
The errors were minor in Coulter's column, but if she's going to complain about this kid's error rate (which is pretty atrocious, I agree) I thought it needed to be brought up.