My windshield was pretty dirty yesterday, so I got out the Windex and paper towels and got busy. When I was finished, it looked 100% better. I cleaned the inside and outside and it looked great! I thought I had done a fine job cleaning my windshield. This morning I took my son to school. The moment we turned at the bottom of the street to face east (directly into the sunlight), the windshield looked like crap. There was a …