This just in: Sarah Palin has NOT given up her spot of the Republican presidential ticket.

Nor do we expect her to.

But we broach the prospect simply because a nationally syndicated conservative columnist, Kathleen Parker, has called for Palin to do exactly that.

Parker's piece showed up at midday Friday on the National Review website (you don't get much more conservative than that) and since then has generated lots of buzz (and been picked up, not surprisingly, by lots of lib