From the Weekly Standard:
Administrators of Team Sarah have uncovered evidence on a left-wing online thread that some Internet trolls sought to discredit the organization by posing as conservative racists on Team Sarah’s forums.
Team Sarah, an online community supportive of Gov. Sarah Palin, claims over 60,000 members and is affiliated with the Susan B. Anthony List, a PAC that supports female, pro-life women for public office.
Apparently, about 90 left-wing participants on a thread at somethingawful.com pretended to be conservatives who loved Sarah Palin before writing racist or otherwise deranged rants against Barack Obama on the Team Sarah forums. Said one interloper on the somethingawful.com thread: “What I hope is that the fake posters eventually number the actual posters so it would be impossible to tell who is real and who is fake.”