In his compelling new treatise on race, The Virtue of Color-Blindness, Andre Archie laments that no one has made the “conservative case for the virtue of American color-blind principles in a manner ...

Welcome to Up for Debate. Each week, Conor Friedersdorf rounds up timely conversations and solicits reader responses to one thought-provoking question. Later, he publishes some thoughtful replies.

You may know someone who can’t tell the difference between specific colors — and there is a scientific reason it could be happening. The condition is known as color blindness. To share a better ...

Dr. Mark Lindsay was 5 years old when he first learned that tree trunks were brown. "Up until that point, I believed leaves and trunks were all green. Just lighter and darker shades," Mark said. Mark ...