April 2, 2013 5:38 am Cute Polar Bear Cub at Play An orphaned polar bear cub named Kali recently made his public debut at Alaska Zoo in Anchorage. The cub is 3-4 months-old and now weighs just over 18 pounds. US & World Videos 3:26 Confrontations occur at UCLA campus amid ongoing protests 0:57 Fights break out at UCLA between pro-Palestinian, pro-Israel supporters 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner