The global rise of outsider populist candidates has been a persistent challenge for analysts and reporters in recent years, and Colombia’s Rodolfo Hernández is no exception.
Mr. Hernández has been compared to Donald Trump in the U.S. and Franco Parisi in Chile, although the contemporary leaders he seems to admire the most are Mexico’s Andrés Manuel López Obrador and El Salvador’s Nayib Bukele — both of whom come from different ends of the political spectrum, only adding to the confusion.
His status as an outsider has been partially cemented by his biography, which shows him rising from a middle-class...