China is planning to restrict exports of a key mineral needed to make weapons while a U.S. company that could be reducing America’s reliance on foreign suppliers is languishing in red tape, energy experts told the Daily Caller News Foundation. The Chinese government announced on August 15 that it will restrict exports of antimony, a critical mineral that dominates the production of weapons globally and is essential for producing equipment like munitions, night vision goggles and bullets that are essential to national security, according to the Center for Strategic and International Studies (CSIS). Perpetua Resources, an American mining company, has...