Weekend Roundup

On the CBS News "Weekend Roundup" with host Allison Keyes; Huge new developments in the battle against COVID-19. Pfizer announces an experimental antiviral pill that cuts rates of hospitalization and deaths by nearly 90 percent. CBS's Elaine Cobbe and Dr. David Agus have the latest.The CDC has given a thumbs up to Pfizer's COVID-19 vaccine for kids between the ages of 5 and 11. Pediatric expert Dr. Vikas Dharnidharka at Washington University joins Allison with what this means for families. President Biden addressed the nation Saturday morning after the Democratic-led US House passed his $1 trillion infrastructure package. He calls it a monumental step forward, and says it is a once-in-a-generation investment that will create millions of jobs. CBS's Nikole Killion reports on what this means. Allison takes us to the funeral for the late General Colin Powell. In this week's Kaleidoscope, Allison looks at reports of families in Afghanistan being forced to sell their daughters -- or body parts -- in