On her MSNBC show last night, the left-wing Air America host Rachel Maddow took a swipe at the conservative Shirley & Banister Public Affairs firm, specifically President & CEO Craig Shirley. Maddow accused Shirley of being behind a grassroots Web site funded by the group Grassfire.org, based on research provided by the "independent watchdog group Public Citizen," and she showed still images from an incendary "Obama=Hitler" video that's still posted on the Grassfire's ResistNet.com Web site. BUT MADDOW WAS WRONG. THE PUBLIC CITIZEN WEB PAGE SHE CITED IS SEVERAL YEARS OLD. Shirley & Bannister hasn't represented Grassfire.org since 2004, and...