"Zach Wood may look black but as far as I'm concerned, he's white." This was one of many disparaging comments posted on Yik Yak when I invited Charles Murray to speak at Williams College last spring.

"Zach Wood may look black but as far as I’m concerned, he's white." This was one of many disparaging comments posted on Yik Yak when I invited Charles Murray to speak at Williams College last spring.