CBS Sunday Morning, January 16, 2022

On this week's "CBS Sunday Morning," Correspondent John Dickerson speaks with political experts about President Joe Biden's first year in office. The incomparable Liza Minnelli, sits down with Jane Pauley to discuss how she still continues to honor the works of Gershwin and the life of her mother, Judy Garland.Kirsten Dunst, who has starred in such films as "Interview with the Vampire," "Melancholia" and "Spider-Man," is getting Oscar buzz for her poignant acting in Jane Campion's period drama, "The Power of the Dog." She sits down with Correspondent Luke Burbank. "Leave It To Beaver" actor Tony Dow talks with Correspondent Jim Axelrod about looking beyond the curse of being linked forever to the character of Wally Cleaver.Finally, Did Thomas Edison really invent the light build? Contributor David Pogue finds out!