Cue the igloos. The winter blizzard paralyzing the East Coast has given climate change deniers the perfect opportunity to proclaim, once again, that global warming is a hoax, that several feet of snow prove the planet is as cold as ever, that the Earth is flat: You can tell by looking outside. Common sense. During […]

When Martin Luther King Jr. delivered his famous “Mountaintop” sermon in Memphis in 1968, he probably had not dared to dream of the astonishing racial progress that would be made after his death. If he had lived to a ripe old age, he’d likely be heartened by the election of a black president, by the […]