Muslims in Rochester are observing the holy month of Ramadan in a new mosque. A group of Muslims purchased the unassuming three-story brick building on the city's main thoroughfare and renovated it with some 650-thousand dollars. The new mosque's leaders say the larger space will acommodate Rochester's growing resident and visiting Muslim population. But they also hope it bridges a philosophical gap among Rochester Muslims that began more than four years ago. Minnesota Public Radio's Art Hughes reports. Muslims never know the exact day during Ramadan that commemorates the Night of Majesty, when God revealed himself to the prophet