Climate change is a big part of Hillary Clinton's campaign and the Democratic platform. Donald Trump and the GOP call it a hoax with no basis in science. Meantime, temperatures in Kuwait are rising to historic highs, and melting ice in the Arctic is changing the lives of nomadic native Alaskans. Extreme weather apparently is becoming the norm, and climate scientists are working faster to connect the dots between heat waves and global warming. We update some facts on the ground and hear how the climate change is playing in the presidential campaign.