Nigel Farage, the leader of the U.K. Independence Party, is a true populist; Senator Bernie Sanders, the former U.S. presidential candidate who campaigned for Hillary Clinton after losing his battle for the Democratic Party's nomination, is not.

Nigel Farage, the leader of the U.K. Independence Party, is a true populist; Senator Bernie Sanders, the former U.S. presidential candidate who campaigned for Hillary Clinton after losing his battle for the Democratic Party's nomination, is not.