Did you hear it? It's very faint, Pelosi says “Tell them you're a Muslim” at least twice. What's really strange is, if you read Andre Carson's online biography on his website he makes no mention of Islam or Muslim:
Listen to the cleaned up audio version below
It's pretty low when you'd misuse the same religion you're supposed to represent in an effort to try to win the crowd over, I'd personally never do something like that, but then again, I'm not a democrat!