Women's basketball has seen an overdue surge in popularity in recent years. With 3.3 million viewers, last year's WNBA championship was the most-watched finals game in the league's 25-year history. Now, a new three-on-three league called Unrivaled is building on that success. Amna Nawaz discussed more with WNBA all-star and Unrivaled co-founder Napheesa Collier.