Lights! Camera! Cage match! The White House lawn's Octagon is ready for Trump's 80th birthday bash

For non-UFC fans, all of this might be disorienting under any circumstances. But the temporary arena is covering nearly the entirety of the White House's South Lawn, where Marine One usually lands to ferry the president to out-of-town trips and gobs of kids scramble in the grass during the Easter Egg Roll every spring.