Sen. David Vitter:
I won’t be supporting the Protect IP Act (PIPA or SOPA as it's called in the House of Representatives) because, though I've been pushing hard on both internet freedom and national security concerns, they still haven't been fully addressed. It's a real mistake to press forward with a flawed bill now. It will only endanger ever properly dealing with the very real problem of internet piracy.
Rep. Steve Scalise (via his communications director):
Congressman Scalise is committed to stopping online piracy, and will be removing his name from SOPA while he works to ensure that the freedom of the internet is preserved.
Sen. Mary Landrieu, who is a cosponsor of PIPA in the Senate, expressed her support yesterday in a statement. Today we spoke to a press aide for Rep. Cedric Richmond, whose position on SOPA hasn't been clear. Richmond's aide said he would gather a statement and send it by this afternoon, but nothing arrived.
Several high-profile GOPers bailed on their support of SOPA/PIPA today, including Utah Sen. Orrin Hatch, Fla. Sen. Marco Rubio, Texas Sen. John Cornyn, Ill. Sen. Mark Kirk, Ark. Sen. John Boozman and Mo. Sen. Roy Blunt.