New Sports Illustrated column: Rethinking Congressional investigation into Roger Clemens

I have a new SI.com column that addresses 5 popular myths or at least exaggerations that have emerged since Roger Clemens testified before Congress in February 2008. Here's an excerpt:Myth 3: The hearing cost millions of tax dollars. Truth: Contrary to popular belief, Congress did not expend unusually high resources investigating Clemens or, for that matter, HGH, B-12 and other