WASHINGTON -- Sure, it's all about bipartisanship. Not to mention the perks of watching the Super Bowl at the White House with the first fan playing host. President Barack Obama is inviting a group of lawmakers -- some Republicans, many Democrats, and a few from Pennsylvania and Arizona -- to join him for Sunday's championship game between the Pittsburgh Steelers and the Arizona Cardinals. .... The invited lawmakers are: Sens. Bob Casey, D-Pa.; Dick Durbin, D-Ill.; Amy Klobuchar, D-Minn.; and Arlen Specter, R-Pa.; and Reps. Elijah Cummings, D-Md.; Artur Davis, D-Ala.; Rosa DeLauro, D-Conn.; Charlie Dent, R-Pa.; Mike Doyle, D-Pa.;...