What started as a simple marketing video for Downtown law firm Cohen & Grigsby has resulted in an Internet firestorm encompassing tens of thousands of YouTube viewers, Lou Dobbs and the U.S. Secretary of Labor. The video features portions of Cohen & Grigsby's "Seventh Annual Immigration Law Update," held May 15 at the Pittsburgh Hilton, Downtown. The segment of the video drawing all the attention is one in which lawyers from Cohen & Grigsby's highly regarded immigration practice advocate methods to comply with a law requiring employers prove that they have tried to find qualified American workers before applying for...