So... until I was listening to a homily for a priest whose podcast I edit, I believed that 
*Can God make a rock He can't move?* was an unanswerable question asked by smartaleck 4th graders. 

However, apparently the answer is no. And the answer is no for a profound and interesting reason, not because of a tautology (although I find them profound and interesting sometimes too). 

So, can we ask that question again now that it has an answer? 

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[Here's the link to the homily if anyone is interested](http://freric.uwcatholic.org/?p=359). It's from the pastor of the UW Catholic Center at the University of Wisconsin, Madison.