A disturbing dash cam video shows a group of Michigan police officers pouncing on a mentally ill man who was doing nothing more than standing on a residential street try to fix his bicycle chain.The first Dearborn cop pulls up, steps out of the car and begins donning gloves – a usual indicator he is about to get physical.And sure enough he does, insisting on patting Ali Baydoun down for weapons, even though he was not doing anything that would have given the cop a reasonable suspicion that he had or was about to commit a crime.Read more here ...