Senator Sherrod Brown is a Democrat up for reelection in 2012 and he cosponsors PIPA

Here are the following links to (help) verify this:

http://www.americablog.com/2011/12/ron-wyden-useful-idiot.html

http://en.wikipedia.org/wiki/United_States_Senate_elections,_2012

Sherrod Brown has been in office since 2006 for the state of Ohio.