13-year-old builds a printer for the blind with Lego blocks

A simple question -- how do blind people read? -- inspired a middle-schooler’s transformation into a tech entrepreneur. Using Lego blocks, 13-year-old Shubham Banerjee created a low-cost braille printer to improve access and literacy for the visually impaired. Special correspondent Jackie Judd reports as part of our Breakthroughs series.