On Tue, 23 Dec 2008 08:31:39 -0500, Jim wrote:

Too easy. One light year. Assuming that the light does not get absorbed
or refracted by anything along the way and that the earth is in the same
position it was in when the light was shined and that Tom hasn't shot
it down with his lightbeam destroying weaponry.

Dammit - did you have to tell everybody?

Jeese um pete.