Fox News: Ads proclaiming, "Why believe in a god? Just be good for goodness' sake," will appear on Washington, D.C., buses starting next week and running through December. The American Humanist Association unveiled the provocative $40,000 holiday ad campaign Tuesday. In lifting lyrics from "Santa Claus is Coming to Town," the Washington-based group is wading into what has become a perennial debate over commercialism, religion in the public square and the meaning of Christmas.

Questions:

Is it rational to believe in God?

Can we philosophically affirm being good simply for the sake of being good?

Why believe in God?

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