Democratic socialist and Vermont Sen. Bernie Sanders has lit up the progressive grassroots with his presidential bid, challenging Hillary Clinton for the Democratic nomination with a vigor that few could have predicted at the start of the primary season. His rallies have drawn tens of thousands, and he's even outraised Clinton, the party's frontrunner, in each of the last three months.
How familiar are you with Sanders' policy proposals, though? Take the quiz below and find out! And make sure you tune into "Face the Nation" this Sunday for an interview with Sanders. Check your local listings for airtimes.