'Suicide Note to the World': Advocates on Trump Abandoning Paris Climate Accord

President Donald Trump says he will pull the United States out of the landmark Paris climate accord, a decision environmentalists warn could be a crime against the future of the planet and humanity. 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.