Leonardo DiCaprio’s climate-change doc is streaming for free ahead of US election

For a limited time, you can tour the world with Leonardo DiCaprio, free of charge. Before The Flood, an advocacy documentary that grimly examines climate change around the planet, debuted in September at the Toronto International Film Festival and opened in theaters on October 21. But National Geographic has now released the film — hosted by DiCaprio and directed by Fisher Stevens — on YouTube for free viewing. Embeds on Twitter, Facebook, Hulu, and the National Geographic site itsel