What Theists Can't Answer

In a piece by Michael Gerson entitled What Atheists Can't Answer in the Washington Post for July 13, 2007, he writes

"How do we choose between good and bad instincts? … We should cultivate the better angels of our nature because the God we love and respect requires it. ... Atheism provides no answer to this dilemma. … Atheists can be good people; they just have no objective way to judge the conduct of those who are not."

People like Gerson seem to think that believing that a moral code is objective makes it so. Thus, because they think they have an objective truth, they think that any judgment they base on it must be objective. With conflicting faith-based moral codes claiming to be objective, clearly they can't all be. When pressed, people who say they have an objective basis for their judgments reveal that their actual foundation is as subjective as that of the people they criticize.