On Sun, 18 Nov 2012 21:54:55 -0800, Lew Hodgett wrote:

I went through an array of typical glass cleaners and none took off the
most stubborn soot.

Reminds me of the time that the son of a friend was shelling black
walnuts and stained his hands. His father and I both told him it'd just
have to wear off. An hour or so later he came into the room with clean
hands. When we asked him how he got it off he said "Purify mouthwash".

Neither of us will ever put that stuff in our mouth again!

--
When fascism comes to America, it will be wrapped in the flag and
carrying a cross.