Seeing Red

A few days ago, I was playing around with the custom white balance feature
on my XSi, trying to come up with something that worked under streetlights
at night.

When I was done, I forgot to set the white balance back to auto from custom.

Then, I took a few pics of a local bridge yesterday, in the evening, and
still did not set the white balance back to auto, nor did I set another
custom balance for the prevailing light conditions.

Needless to say, viewing the pic with the white balance as shot yields a
rather strong colour cast. But, it was my understanding that this is an
easy fix in Adobe.

However, when I loaded the pic into Adobe's Camera RAW and tried to select a
more appropriate balance, like sunny or cloudy, the image ends up with a
rather crazy red cast.

Even manually moving the temperature and tint sliders around doesn't seem to
get rid of the problem, or so I've been told.

Just wondering if any of you gurus out there can determine whether this is a
camera problem, an Adobe problem, or just some kind of freak one-off
problem...

Here's the RAW image: http://www.blind-apertures.ca/pics/TestPic.cr2

Take Care,
Dudley