It’s the wedding of the summer for high-society liberals. Former Hillary Clinton aide Huma Abedin and her financier scion fiancé Alex Soros will tie the knot at a glamorous Hamptons wedding attended by panoply of left-leaning power players Saturday. Abedin, 48, the ex-wife of disgraced former New York Congressman Anthony Weiner, will marry Soros, 39, the son of lefty billionaire investor George Soros, at the family’s lavish $14.5 million estate in Southampton. Hillary, Bill and Chelsea Clinton are on the guest list along with Barack and Michelle Obama and several European prime ministers connected to George Soros’ grantmaking foundation Open...