Is rare earth still China’s dominant lever?

The second-most important issue on everyone's mind after the Coronavirus, is Rare Earths - those metallic elements like scandium and cerium, used in every aspect of modern electronics like our cell phones, rechargeable batteries, florescent lighting. The reason is: China. China has the world's largest deposits and production of rare earths, and has not hesitated to withhold its export to countries that disagree with it in the past.