That's quite a shocker
Nikki Haley said yesterday it was an 'open question' but no one really took that seriously. Now the White House said no decision has been made.
The US has security fears due to the high tensions between North and South Korea (where the Olympics will be held).
If Russia and the US pull out of the Olympics, there would be a lot of flag waving in Canada. France has also said it won't send a delegation if it's worried about security.