Former President Barack Obama’s possible new mansion on Martha’s Vineyard could be totally underwater by the year 2100, according to a climate change model relying on government data. The Obamas are reportedly in the process of buying the island property, which was originally listed at listed at $14,850,000, from Boston Celtics owner Wyc Grousbeck. Though the deal has yet to be finalized, both TMZ and the Boston Herald have reported that the Obamas are in escrow. Climate Central, a research group funded by the government during the Obama administration, projects the Obamas’ possible new mansion to be well underwater in...