In just 12 weeks the world will commemorate the 10th anniversary of the genocide in Rwanda. That somber thought was on my mind as my friend, the distinguished African-American journalist Peter Noel, took me the other night for a tour of Harlem. We passed by Bill Clinton's office, and Peter told me how significant crowds, nearly all African-Americans, await the arrival most mornings of the man dubbed "America's first black president." That description – coined in 1998 by African-American Nobel laureate Toni Morrison – as well as the African-American rapture for Bill Clinton, is nothing short of astonishing. Calling Clinton...