Oops! They’ve done it again. (Apologies to Britney Spears.) Yet again, China’s saber-rattling has ended in an unintended looming disaster. This time, it’s rare earth elements (REEs), which are used in modern jet fighters, electric vehicles, computer memory, DVDs, rechargeable batteries, cellphones, catalytic converters, magnets and many other uses. In essence, China’s threat to limit […]