Barry Arbuckle, CEO of MemorialCare Health System, is in the trenches of healthcare delivery. He runs five hospitals and about 200 other centers, doctors offices and other locations. He’s an adviser on both state and national healthcare policy. He discusses what’s happening in health care in Orange County, California and the nation, assesses “Obamacare” and “Trumpcare” and makes some recommendations — including a ban on pharmaceutical ads. He also discusses what moves by Amazon, Walmart and other corporate giants may mean for the healthcare industry.