Since 2013, Rubenstein, 72, who co-founded the private equity giant the Carlyle Group, has given millions to entities that repair and upgrade historical monuments and landmarks like the Lincoln Memorial and the Washington Monument as well as Monticello and Montpelier, the homes of US presidents Thomas Jefferson and James Madison. But some say the restoration at the presidential homes has recast the presidents as sinister racists while downplaying their accomplishments... But a quick dive into Rubenstein’s backstory shows he’s not so pure himself. He made his initial fortune in the 1980s by exploiting a tax loophole in Alaska allowing him...