allen and liz. great to be with you in the bay area. we are going to explain tonight the supreme court's remarkable ruling today on political contributions. and we are going to have bobchieffer along to tell us how it could change everything in politics. plus, we were there when senators accused general motors of a cover-up related to a deadly defect. we'll have those stories tonight on the "cbs evening news" at 5:30 right after kpix 5 news. ,, ,,,,,,,,,,,,,, bulldog: oh boy! every mattress at mattress discounters is so comfy! how could they get any better? well, there's one way... brilliant! mattress discounters red tag sale! through sunday, get $300 off serta perfect sleeper, and sealy posturepedic. plus, free delivery. don't wait! mattress discounters red tag sale ends sunday. now that's a beautiful sight. ♪ mattress discounters >>> coming up new at 6:00, pg&e now facing criminal charges in connection with the deadly san bruno pipeline explosion. but the utility seems unwilling to respond to media inquiries. how company executives are deflecting calls for comment and how that's playing among victims of the disaster. that's at 6:00. >> thank you for watching. the "