Grief, gratitude and hope: NewsHour viewers reflect on 2021

As 2021 comes to a close, we take a look back at this year — full of immense challenge and loss, but also perseverance and hope. In recent days, we have reconnected with a number of the PBS NewsHour's viewers and guests over the past year. We hear from them about how they've handled the last 12 months, the challenges they faced, and their wishes for 2022.