Foster Family: "We Can All Do Something Good"

With cartoons playing in the background, Christiana Barton tickles a one-year-old boy while two older kids watch and Barton's husband cuddles a four-month-old on the couch. It looks like a typical family trying to entertain four kids under the age of five. But the sing-a-longs of "Baby Shark" and silly giggles highlight a personal mission for Barton.