Photo: (Beyonce/Facebook) "Is this what happens at the UN every Friday night?" asked Anderson Cooper as he took the stage inside the United Nations General Assembly. For the first time ever, the space usually filled with international diplomats was turned into something not that: a music video set -- for Beyoncé's "I Was Here" clip to serve as the UN's anthem for World Humanitarian Day. Established in 2008, World Humanitarian Day aims to put the spotlight on humanitarian efforts worldwide and acknowledge those who risk their lives for the...