Intelligence Squared debate on gay marriage

Gay marriage demonstration in San Francisco
Demonstrators for and against same-sex marriage protest during a rally in front of a federal courthouse in San Francisco, Monday, Jan. 11, 2010.
AP Photo

A debate from the Intelligence Squared series: The U.S. Constitution's Equal Protection Clause does not require states to license same-sex marriages. FOR: John Eastman and Sherif Girgis. AGAINST: Evan Wolfson and Kenji Yoshino