RT @CoreyRobin: The last secretary of state elected president was James Buchanan. Universally regarded as one of the worst presidents in American history. .
The sample size of secretaries of state elected president is probably too small (and too far in the past) to draw firm conclusions about how that experience would translate to the presidency today. ‎- John B.
The others are Thomas Jefferson, James Madison, James Monroe, John Quincy Adams, and Martin Van Buren: http://www.smithsonianmag.com/history/why-do-secretaries-stat... ‎- John B.