Roger Clemens’ denial of steroid use warrants further investigation, Congress said Wednesday in asking the Justice Department to determine whether the star pitcher lied under oath in testimony to a House committee. Never mind the two failing wars, an economy that’s bottoming out, a housing market that’s deader than dead, the gas prices that are soaring through the roof and a dollar that’s not worth the paper it’s printed on, it’s nice to see Congress is getting to the heart of the important stuff… Lying baseball players…