"Pelosi was good to put that statement out, but now we need the next step of changing federal law," Ammiano said.

David Goldman, a representative of Americans for Safe Access patient advocacy group who serves on the city's Medical Cannabis Task Force, called Obama's double-standard hypocritical: "If Obama is affirming federalism and states rights, then he's inconsistent with state-regulated medical marijuana."

But Goldman also said, "Why should we be surprised that politicians take contradictory positions on issues?"