Tulsi Gabbard says Iran could produce nuclear weapons "within weeks", months after she testified before Congress that the country was not building them. The US Director of National Intelligence said her March testimony - in which she said Iran had a stock of materials but was not building these weapons - had been taken out of context by "dishonest media".
I don’t think the majority of Americans bought the DMW bullshit back then either, but the war happened anyways because those in power wanted/let it happen. The people didn’t have a say in it.
I don’t know about a majority, but I lived through that as a young adult and I’d believe it if at least 51% of the US population bought the Iraq WMD crap. Colin Powell was a well respected military leader and political moderate and he cashed in all of his influence to sell the lies to Congress and the population.