The Affordable Care Act (ACA) turns three this week, and already this toddler has been extraordinarily helpful to children and families in California and across the nation. Millions of California children and families have already benefited from the ACA. Thanks to the ACA , 2.1 million California children have received no-cost preventative services, enabling them to stay healthy and avoid more costly care in the emergency room. Almost 600,000 California children with pre-existing conditions like asthma or diabetes and their families no longer have to worry about being denied coverage. An...