Dating to August 6, 2009, when health care reform was being protested at townhall meetings across the country, and Pelosi implied that the protestors were Nazis.
She and Steny Hoyer also called the protestors "un-American" in a famous op-ed in USA Today here.
Interviewer: Do you think there’s legitimate grassroot opposition going on here?
Pelosi: I think they’re Astroturf… You be the judge. They’re carrying swastikas and symbols like that to a town meeting on healthcare.
