Praised for its high-paying jobs and cultural attractions, Washington was rated this year's top city for African Americans by Black Enterprise magazine. The report appears in the May issue.The magazine asked visitors to its Web site to rank their satisfaction with a long list of cities, and then applied economic, census and labor data to come up with its annual analysis of the 10 best metropolitan areas for African Americans. Although Washington is regularly near the top of the list, this is the first year it has come in first. Atlanta and Houston led the list in the previous two...