What's going on?!
UPDATE: Well, it's not that we fell in the U.S. News rankings. Last year:
The University of Wisconsin-Madison ranked 13th among public institutions in rankings released today (Tuesday, Aug. 17) in the U.S. News & World Report's 2011 Edition of America's Best Colleges.This year, we've gone up to 10th among public institutions and 42d among national universities.
UW-Madison also tied for 45th among 262 national doctoral universities. In the 2010 edition, the university ranked ninth among public institutions and tied for 39th among national doctoral universities.
UPDATE: Explained here and discussed here.