Amy Robach is a proud mother to her two daughters, and when she was going through one of the toughest times of her life, she was left astounded by their strength. The Good Morning America presenter opened up about her oldest daughter, Ava, and the uplifting poem she wrote to her after her 2013 breast cancer diagnosis during a new interview on Ashley Bellman’s The Middle.MORE: GMA's Amy Robach delights fans with exciting family news - co-stars reactWith her husband, Andrew Shue, by her side to