Detroit Free Press: By the end of this century, Michigan could face more simmering Texas-style heat in summer, more Seattle-like downpours in other seasons and levels of some Great Lakes that are as much as 2 feet lower. Those are among the worst-case scenarios in a new study on climate change compiled by 13 federal agencies. Past reports have targeted the global effects of rising global-warming gases, but the latest report covers findings for the United States. The 200-page report by the Global …