Quick: When is the last time a sitting mayor was nominated for president by a major party?

If you said DeWitt Clinton in 1812, you nailed it. The New York City mayor lost to incumbent James Madison, becoming the first and last politician to vie for the White House directly from City Hall. Fellow New York City mayor John Lindsay tried in 1972, but bowed out early in the primaries. In 2008, another NYC mayor, Rudy Giuliani, had a similarly early exit (though his run was several years after he’d lef…