Listen, a populist is someone who is for the people and against the powerful, and so a populist is generally the same as a liberal — except we tend to have more fun.

Molly Ivins (1944–2007) American writer, political columnist [Mary Tyler Ivins]

Essay (2007-01), “Populists Have More Fun,” The Progressive, Vol. 71, No. 1
    (Source)

Quote included in The Progressive memorial of Ivins the following month.