Facebook founder Mark Zuckerberg and his pediatrician wife Priscilla Chanhave bought a waterfront mansion in Miami that’s still under construction... The property on ultra-exclusive Indian Creek Island, otherwise known as ‘Billionaire Bunker,’ was on the market for $200 million. The price that Zuckerberg and Chan agreed to pay: a colossal $170 million. A message seeking comment from Zuckerberg was not returned by press time. The couple’s move from California to Florida follows in the recent footsteps of fellow online billionaires Sergey Brin and Larry Page, who are the co-founders of Google. They’re fleeing the Golden State as California prepares to...