Gov. Jerry Brown, right, speaks during a conference on Modern Slavery and Climate Change at the Vatican on July 22, 2015.
Gov. Jerry Brown, right, speaks during a conference on Modern Slavery and Climate Change at the Vatican on July 22, 2015. Alessandra Tarantino The Associated Press
Gov. Jerry Brown, right, speaks during a conference on Modern Slavery and Climate Change at the Vatican on July 22, 2015. Alessandra Tarantino The Associated Press