CAMBRIDGE — When did fact and fiction begin to blur in modern life? It would be impossible to give a precise date. It’s easy enough, though, to say when it happened. That would be the first time someone used the expression “It was just like a movie.” You’ve said it. I’ve said it. It long ago became a global lingua franca.
In contrast, the blurring of fact and fiction in the collective life of Greater Boston can be dated, and dated precisely. It began when Monday’s first bomb went off, at 2:50 p.m.