BY FRANK CRUTHERSThe second plane removed all doubt that this was an accident. I took my response car from home to Lower Manhattan and walked north to the World Trade Center. I arrived at Albany and West streets, one block south of the South Tower, at about 9:45 a.m. I stopped to give directions to some incoming fire units. I arrived at the south crosswalk across West Street, where I had a view of both the south and west sides of the South Tower, when I looked up and saw a tremendous amount of material project horizontally from about the roof line. It appeared to be an explosion. Click here to enlarge imageAt the time, I was on the radio with Chief Peter Ganci, and I asked him if he want...