Billionaires Stephen Ross and Ken Griffin both relocated — from New York City and Chicago, respectively —  to Florida, convinced it’s the best state in the country to run a business. Now they’re putting $10 million behind a new campaign to convince other CEOs and founders to follow suit. “The only place a CEO or founder can scale from 10 employees to 10,000 will be in South Florida,” Ross told me. “While other cities are still special, they no longer support building business and supporting