Originally Posted by
PhlyingRPh
I always tip, pre-taxable amt. You are the only other person I have come accross in years to share this viewpoint.
Whew!

really though-the reasoning behind this is that the waitstaff nor anyone involved in the preperation of your meal has any hand in the tax-it is just there regardless of the quality of the meal or the apptitude of the server.
No reason to include it when figuring the tip.