pow(-1,0) = 1, -1**0 = -1, why?

[Kirby Urner]

 Python 2.0 (#8, Oct 16 2000, 17:27:58) [MSC 32 bit (Intel)] on win32
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 >>> -1**0
 -1
 >>> pow(-1,0)
 1
 >>> -10**0
 -1
 >>> pow(-10,0)
 1


These are inconsistent.  I think pow() is giving the right answer.

Kirby