Read more about the Democrats who might run for president in 2028 here . I n May 2001 , at Harvard’s Institute of Politics, a 19-year-old freshman named Peter Buttigieg asked David Gergen, a Harvard professor and horse whisperer to five presidents, a question that he might have reserved for himself, a couple of decades later. Peter (he had not yet transformed into “Pete,” let alone “Mayor Pete”) said he loved The West Wing but could feel the idealism reflected in the show slipping away from