Homosexuality

Published: Jan. 24, 2014, 8:50 p.m.

Ahead of the Sochi Winter Olympics next month and the controversy surrounding Russia\u2019s anti-gay laws, Mike Williams and a panel of guests discuss homosexuality. Essentially, why does it exist? Is there any evolutionary advantage? And what is the current thinking in the nature vs nurture debate?

(Image: A participant unfolds a rainbow flag during a local annual gay pride parade. Credit: AFP/Getty Images)