The Democratic establishment descended on the Hamptons this weekend for something of a political royal wedding that brought together the worlds of big-money politics and Clinton-era insiders. The newlyweds were Alex Soros, the son of George Soros, the Democratic Party’s most generous patron, and Huma Abedin, a political aide who has been described as almost a daughter to Hillary Clinton, the former first lady and secretary of state. Held on Saturday at a Soros family estate in Water Mill, N....