The Seventh Circuit of the US Court of Appeals has decided that it does not violate any of your rights for police to place a GPS tracking unit on your vehicle if they have probable cause. The case in question has to do with someone whose car was tagged with a locator beacon by the police because they thought that he was up to something. He says that it violated his fourth amendment right to freedom from unwarranted search and seizure. The thing is, it wasn't a search or a seizure. In fact, I'd say it was no different from …