And that she wrote what seems a very coherent apologia on Friday, gave the matter rational thought all weekend, then calmly did herself in around midnight Sunday -- out on the highway, rather than on an isolated country road.
The method, the manner, the timing and the location all belie the easy "suicide" answer. I'm not buying it...
I can envision one possible scenario for her actions, as described: That she somehow knew she was implicated in the WTC and Pentagon attacks...and she chose to die by fire, as many of the victims had, to assuage her own sense of guilt.