Advocates: Trump Pulling Out of Paris Climate Accord Is "Suicide Note to the World"

President Donald Trump says he will make his announcement today on whether to pull the United States out of the landmark Paris climate accord, a decision environmentalists warn would be a crime against the future of the planet and humanity. Will he or won't he? As the game show-like deliberations continue, we speak with Sierra Club Executive Director Michael Brune, author of "Coming Clean: Breaking America's Addiction to Oil and Coal," and with South African environmental activist and former Greenpeace head Kumi Naidoo.