"Why is there something rather than nothing?" This simple-sounding question has been at the heart of discussions about the existence of God as long as there have been such discussions.

Physicist and popular author Lawrence Krauss offers his answer in his new book, "A Universe from Nothing." Actually, what he has provided is yet another recycled non-answer.

Here is Krauss with a summary of the central argument, taken from an April Fool's Day opinion piece in the LA Times.

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