Advocates for using psychedelic drugs to treat addiction, depression and other problems formed a political action committee on Monday to make their case to Congress.

If you want to see unshakable hope in the face of all evidence, check out the Americans and Brits who consistently promise that China is going green.

The U.S. and the Soviet Union were still waging the Cold War, immersed in concerns about arms control and nuclear proliferation, when President Ronald Reagan, on March 8, 1983, warned against “the aggressive impulses of an evil empire” in “the struggle between right and wrong and good and evil.” Four decades later, those words ring...