CBS Stands For Corporate Bull Shit
Really. It does. According to Raging Grannies who whipped together a little anti-CBS sentiment for the networks decision to accept the Tim Tebow ad but not ads for other causes such as MoveOn or The Light.
The women sing, "CBS - Corporate Bulls Shit , they won't take ads from Moveon or The light , but take three million from right-to-life, they're hypocrites that won't give a voice to womens choice"