Recently, placards went up in buses in Washington, D.C., and other cities asking variations on an age-old question: Why believe in God? They're part of a public discussion on humanism and atheism that's gaining momentum thanks in part to books by Sam Harris and Richard Dawkins.
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See also:
God Doesn't Ride London Buses
Man refuses to drive 'No God' bus
Atheists hope (don't pray) to bring ads to Toronto
Atheists advertise on buses in Barcelona
Atheist ad campaign spreads to Italy after Spain, Britain
And...
Hooray for Freethought in Hollywood!
