How music is helping Gabby Giffords rewire her brain

President Joe Biden reached out to, and fist-bumped, former Arizona Congresswoman Gabby Giffords at the White House Rose Garden Thursday -- A moment to mark a new push to curb gun violence. Giffords was shot in the head in 2011, and has become a fierce gun reform advocate. For our arts and culture series, CANVAS, Jeffrey Brown shows how her grit brings joy, as music and science open new doors.