Parents, you don't have to try this at home. There's no doubt that Anderson Cooper wants his two sons—23-month-old Wyatt and 2-month-old Sebastian—to have a strong sibling relationship. But in a new interview on The Late Show With Stephen Colbert, Anderson shared the unique way he's planning to make it happen. "I've started doing this thing with Wyatt where we both sort of make fun of Sebastian. I mean, not in a bad way," he told Stephen Colbert on April 6. "I started doing this thing when Sebastian's crying, Wyatt will look at me and I'll look at him and I'll go, 'Wah! I'm a baby. I'm crying, I'm crying.' He likes it. And now he does it...