this into perspective visually. he took a picture of the four pieces of paper he had to use to track this weekend s violence. look at all of those us from ou chicago newsroom. ron, what are the police doing? they got what they are calling predictive technology. what does that mean? clearly it doesn t seem to be working. what s next? the police here have learned not to put the cart ahead of the horse. yesterday the police superintendent said we should have seen a less violent this weekend in chicago. they have been all over town conducting anti-violent raids. on monday alone arresting nearly 60 people. 6-0 people. 38 of them had previously run-ins with the law and police thought this was a good way to ensure we would have a safe fourth of july. that s not the case. it was, by chicago standards, pretty tame holiday weekend through yesterday afternoon. at about 2:30, 3:00, the