This was by far the best debate for Rick Santorum and Ron Paul. They both made effective use of the squabbling between Mitt Romney and Newt Gingrich. Gingrich seemed tired, unprepared, and off his game tonight -- bad timing for the former House speaker. Romney had some clunkers -- he got caught redhanded on the anti-Newt attack ad, the line about not making his own investments could come back to haunt him, and he denied being politically involved during a time period that included a Senate campaign -- but he had the better showing overall. I'm seeing many people argue...