Brett Cross, whose son Uziyah Garcia was killed in the mass shooting at Robb Elementary School in Uvalde, Texas, talks about the bill in the Texas legislature that would raise the minimum age to buy certain semi-automatic rifles from 18 to 21. And, author and cardiologist Sandeep Jauhar discusses his new book "My Father's Brain: Life in the Shadow of Alzheimer's," which intertwines information about the disease and how it's treated with his own family's story of coping when his father developed Alzheimer's. And, proponents of the No Mow May movement are urging homeowners not to mow those lawns for the month to preserve and create habitat for birds, butterflies and bees that pollinate our plants. We hear more about the movement and why it's controversial.