For many decades, California wasn’t just the No. 1 destination for families and businesses in the United States. It was also the state of choice for smart people — America’s entrepreneurs and brainiacs . That’s because the future started in California. But in the last decade, the Golden State has somehow lost a net 1.6 million residents to predominantly red states. Florida has been the biggest winner from this migration, with tens of billions of dollars in income flowing from the West Coast