Pow Wow - For the 15th straight year, more than 4,000 people from all over the Great Lakes region will be gathering in Ann Arbor Saturday and Sunday for the annual Ann Arbor Pow Wow, sponsored by the University of Michigan Native American Student Association, U-M Minority Student Services and the Ann Arbor Indian community. Ed, left, and Adrian Klein, practiced their skills recently in a special preview performance in the Pendleton Room of the Michigan Union. The Pow Wow includes dancing and drum contests, dance exhibitions and crafts sales. Hours are noon to 10 p.m. on Saturday and noon to 6 p.m. on Sunday at the Michigan Coliseum. Call 763-9044 for information.