In a poignant episode, following the Columbine High School massacre, Congresswoman Carolyn McCarthy, a vocal advocate for gun control, joins the conversation. She discusses the urgent need for legislative action against gun violence in America, sharing her personal experiences and efforts in this realm. Will & Grace's Sean Hayes then brings a touch of humor and Audra McDonald, Broadway star performs "Some Days" dedicated to the families affected by the massacre.

• Rosie O'Donnell

• Scarlett Johansson
• Angelina Jolie
• Mark Harmon