Journalist and professor Inara Verzemnieks and medical anthropologist Professor Heide Castañeda discuss the lives of Americans excluded from the ACA. The Film Society at Lincoln Center series, “Going Steadi: 40 Years of Steadicam,” celebrates Garrett Brown's groundbreaking invention. Mark Shriver, president of Save the Children Action Network in Washington D.C., discusses his book, "Pilgrimage: My Search for the Real Pope Francis." Today's Please Explain goes behind the scenes at aquariums with two experts from the Maritime Aquarium at Norwalk in Norwalk, CT.