The third Democratic presidential debate takes place Saturday in New Hampshire. We'll discuss the debate and other big political moments from 2015, a year that was marked by John Boehner's resignation as speaker of the house, the emergence of Donald Trump as a formidable presidential candidate, and an increasingly fraught relationship between police and minority communities. Tell us -- what do you think was the biggest political story of 2015?
The Year in Politics: From Hillary Clinton's Emails to Donald Trump, the 'Chaos Candidate'
Emily Bazelon, staff writer, New York Times Magazine; co-host of the Slate Political Gabfest.
Larry Gerston, professor, political science, San Jose State University; author of "Not So Golden After All: The Rise and Fall of California"
Marisa Lagos, reporter, KQED's California Politics and Government Desk
Louis Desipio, professor, political science and Chicano/Latino Studies, UC Irvine