A news quiz for you from the Pew Research Center:

Of the following four people, which one runs the Federal Reserve?

The answer choices were:

a) Janet Yellen… correctly picked by 24 percent of people.

b) John Roberts… 5 percent.

c) Sonia Sotomayor… 6 percent.

d) And this one, the troubling part: Alan Greenspan… 17 percent.

Those who admitted to not knowing? Forty-eight percent.