Maksim Chmerkovskiy and Peta Murgatroyd open up about parenting

"Dancing with the Stars" pros Maksim Chmerkovskiy and Peta Murgatroyd are adjusting to life as parents of their newborn son, Shai -- including the challenges of exposing their child to the world. Murgatroyd, 30, sitting with Chmerkovskiy, 37, called it "nerve-wracking" to show their son on TV in their first interview since Shai's Jan. 4 birth. "I specifically wanted to keep him very private from the beginning because we wanted him to ourselves," Murgatroyd told "Good Morning America" weekend...