rationalskepticism.org

Pulsar wrote:U.S. withdraws from UNESCO, the U.N.’s cultural organization, citing anti-Israel bias

Unfortunately, the article in the OP is from a subscription based site.
Also, to add context, Unesco is suppsedly anti-Israel because the Palestinians were allowed to join.
Rumours are that Israel will leave as well.

Here's a free page: http://www.bbc.com/news/world-us-canada-41598991