As Donald Trump closes in on the U.S. presidency, it's worth remembering that the demagogic real-estate mogul is far from the most odious individual to have pursued a career in politics. Take Pablo Escobar, for instance: The notorious drug kingpin briefly served as a congressman in his native Colombia during the early 1980s, before it was decided that his achievements in smuggling cocaine to the United States were incompatible with a role in national government.