Associated Press – A divided Supreme Court ruled Tuesday that Michigan can’t block the opening of an off-reservation American Indian casino because the state’s legal challenge is barred by tribal sovereign immunity. In a 5-4 decision, the high court said the state could not shutter the Bay Mills Indian Community’s casino about 90 miles south of its Upper Peninsula reservation. The ruling was a win for Indian tribes, which have increasingly looked to casinos as a source of revenue and have relied on immunity to shield them from government interference. But it’s a disappointment for Michigan and more than a…