 President Biden speaks to the NAACP convention today in Las Vegas, getting back into campaigning amid questions about his candidacy. CBS's Weijia Jiang has more on what he told NBC News in a sit-down interview. I told him how concerned I was and wanted to make sure I knew how he was actually doing. In his first TV interview since Saturday's shooting, President Biden spoke about his call with former President Trump, but got right back to making the case against him.