Jay Leno used to do the same thing.
He once did a man-on-the-street interview in Times Square, asking regular New Yorkers and out-of-towners if they recognized a picture of Nancy Pelosi.
This was just after Pelosi became Speaker of the House. Each interviewee was told that the photograph was of a "famous American woman politician."
Every interviewee identified Pelosi as Hillary Clinton, even though the two women look completely different.
Another example of the media's power, and of the stupidity of your average American, zombified by decades of television.