Can Roger Clemens save the Astros?

Remember last April, when we were all expressing concern about closer Brad Lidge even as the Astros sat atop the NL Central? Well, those days are over. The Astros are now sitting at .500, a good 7.5 games behind division-leading St. Louis. They have lost eighteen out of their last twenty-six games. May, indeed, has not been a kind month for the local team.Now, legendary pitcher Roger Clemens has