FULL TITLE: Peter Singer: Sexually Assaulting Mentally Disabled People Isn’t That Bad Because They Can’t Comprehend It We say it often: ideas have consequences; bad ideas have victims. And a certain, consistent Princeton bioethicist continues to show just how true that is. How do we know what’s right? Great minds have wrestled with that question for much of history. Is it doing our duty regardless of the consequences? Is it doing whatever a virtuous person would do? Is it doing what brings the most happiness to the most people? That last option—the greatest good for the greatest number—is the basic...