Republican presidential candidate Donald Trump spoke Tuesday during a campaign stop in Council Bluffs, Iowa.
Republican presidential candidate Donald Trump spoke Tuesday during a campaign stop in Council Bluffs, Iowa. Nati Harnik The Associated Press
Republican presidential candidate Donald Trump spoke Tuesday during a campaign stop in Council Bluffs, Iowa. Nati Harnik The Associated Press

Nicholas Kristof: Test your savvy about 2016 with a quiz

December 31, 2015 9:00 AM