Bernanke is not serious, of course.

Yesterday I posted parts of Bernanke's speech to the American professional economist association asserting that low interest rates in years past, a policy he approved as a member of the Fed board of governors, were not a factor in the housing bubble. He quoted John Taylor's rule, named after a Stanford professor, to make his point. Now, straight from the horse's mouth -- Taylor himself.

...“The evidence is overwhelming that those low interest rates were not only unusually low but they logically were a factor in the housing boom and therefore ultimately the bust"...

Full report is here.