Biden Inauguration, Isolation Brain, Gun Control

How will President Biden lead the country effectively when a third of Americans don’t even believe he won the election? Also, what extended isolation does to the human brain. Then, how America could reduce gun deaths without restricting gun access. Also on today's show: how smart assistants like Alexa and Siri could work better for people with hearing loss, and a nonprofit trying to make it easier for prison and jail inmates to stay in touch with their families. (AP Photo/Patrick Semansky, file)