Why Do Atheists Have to Talk About Atheism? By Greta Christina Thinking you're right and trying to persuade other people you're right is not intolerant or close-minded -- it's a cornerstone of democracy. June 26, 2009   Whenever the subject of atheism comes up, anywhere that isn't an atheist discussion group or something, one sentiment almost inevitably comes up: "I wish atheists wouldn't talk so…