Plan for U.S. Black Museum Gains Speed By Christina Ling WASHINGTON (Reuters) - Almost a century after an African-American memorial was first proposed for the U.S. capital, a grand vision for a museum encompassing black life in the United States is moving toward realization. Backed by $2 million in federal funds, a special commission appointed by Congress and President Bush (news - web sites) started work this summer on a feasibility study for a national museum of African-American history and culture. "I think it goes without saying that African-Americans have been the major backbone in building and developing America...