Newsweek: “How Dumb Are Americans” and why?

As reported by «Market Leader» (US)

Newsweek: “How Dumb Are Americans” and why?

US news. Despite the widely spread opinion about the I-couldn’t care less attitude of American media to the intellectual level of its citizens, Newsweek” magazine has published an eloquently titled article “How Dumb Are We?”

Demonstrating the self-criticism that one can only be jealous of, the author of the article Andrew Romano admits that “…the country’s future is imperiled by our ignorance”, citing as arguments the results of a quiz, which has been carried out by his periodical among 1,000 Americans. What exactly was shocking for the world investors about this information, and how much?

What is this quiz, and what are its results?