A registrant can point a domain name wherever they want.
What is a little odd, is that the WH haven't seized the antifa domain to prevent it being redirected to the WH.com site…
He became a naturalized U.S. citizen in 1961.
https://www.cbc.ca/radio/thecurrent/the-current-for-may-15-2018-1.4662381/who-is-george-soros-here-are-4-things-you-wanted-to-know-but-were-afraid-to-ask-1.4662405