Yayi Boni, an economist who used to run the West African Development Bank, has been elected president of the African country of Benin. He is at least the second economist to have recently become president of an African nation, joining Ellen Johnson-Sirleaf of Liberia. To the best of my knowledge, there has never been a U.S. president who was also an economist. Hell, if Harvard can’t stomach an economist as president, it’s hard to imagine the U.S. could. But maybe the time is approaching. So tell me this, dear blog readers: if such a thing were possible, which American economist would you like to see as president?