“We do not accept advertising on one side or the other of controversial public issues, partly because we don’t think the debate ought to be controlled by people with deep pockets,” said Martin Franks, CBS executive vice president.

You can feel the irony oozing from his pores, when GWB has raised over $100MM to run without primary competition.

http://sports.espn.go.com/nfl/news/story?id=1710719