Jacko visits NMAI

Hey, isn't that . . . ?Michael Jackson touring the Smithsonian's National Air and Space and American Indian museums yesterday. The reclusive pop star (trademark hat, sunglasses, striped pants), his kids (well behaved) and bodyguards arrived before the buildings opened to the public. At Air and Space, the 45-minute tour was led by 84-year-old Deputy Director Don Lopez, a World War II ace who gave Jackson a similar tour 25 years ago. The singer lingered over the 1903 Wright Flyer, his kids loved R2-D2 and C-3PO. What's he doing in D.C.? The tourist thing. "He wanted to show them the sights," said rep Raymone Bain, who said Jackson will be in the area for a few days; he's still looking for a summer home, hasn't bought a place yet.