SunnySide,
WHERE did you read that? Any help? It would BE appreciated!
Here's a link to something about one of the sons and moveon.org:
http://64.233.167.104/search?q=cache:yZBh2P31ruwJ:www.celiberal.com/linkcache/3a/338.html+soros+son+moveon.org&hl=en
"Jonathan Soros, son of philanthropist George Soros, is one of MoveOn's big donors so far, with a $5,000 contribution."
http://64.233.167.104/search?q=cache:Bo5jkldMoaQJ:www.foxnews.com/story/0,2933,130682,00.html+soros+son+moveon.org&hl=en