February 11, 2019 10:25 am 12-Year-Old Prints His Own Leg Arkhan Langinbelik uses 3D printer to build his own prosthetic leg. KNWA’s Clarissa Bustamante reports. US & World Videos 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 2:09 President of MIT calls for shutting down pro-Palestinian encampments 3:57 Pleasant Sunday despite morning showers 1:00 Three dead in apparent murder-suicide in Lowell