The Core Issues Trust said the London mayor was "politically driven" when he intervened to block the ad, which suggested gay people could be helped to "move out of homosexuality".

BBC: 'Ex-gay' London bus advert ban ruled lawful

Payment processors and ad networkers would also be roped into this enforcement scheme in an attempt to block the flow of funds to sites that supposedly facilitate copyright infringement.

FORBES: The Twilight of Copyright?

But that ad was countered by one from Health Care for America Now that says Scott's group is trying to block health care reform.

NPR: Lobbyists Ramp Up Efforts On Health Care Changes