February 29, 2020 7:41 am Why Do We Have a Leap Day? It happens once every four years, but why does it really happen? Belen De Leon breaks down why we have a Leap Day as seen on Feb. 29, 2020. US & World Videos 3:22 Shohei Ohtani's ex-interpreter may flip after plea deal, expert says 0:52 USC tram and Metro Rail train collide near campus 0:38 Mark Ruffalo gets star on Hollywood Walk of Fame 1:22 Snoop Dogg signs first ever Mariachi artist to Death Row Records 1:59 Retailers release Christmas merchandise in September