John Oliver explains the mess on Mount Everest, offers a fun and easy solution

"Everest was first summited in 1953 by Sir Edmund Hillary and Tenzing Norgay," John Oliver said on Sunday's Last Week Tonight. "Before then it had been seen as almost an impossible feat," which probably explains why "Everest" has "become everyone's go-to metaphor for a significant challenge," warranted or not. Now however, "climbing Everest has become dangerously popular," he said. That means high death tolls and long lines to the summit, tons of trash, and a "fecal time bomb" as human waste mel...