US citizens: call for the US to [ tighten rules on ivory, to protect elephants ]( https://secure.nrdconline.org/site/Advocacy?cmd=display&page=UserAction&id=3563 ) .
Ссылка: https://stallman.org/archives/2014-may-aug.html#20_August_2014_%28Urgent%3A_Tighten_rules_on_ivory%29