So many black women are single, she says, because they are stuck in the groove of a one-track song: sitting alone, waiting for that one "good" black man to come along and sweep them off their feet. Waiting. Talking to girlfriends. Waiting. Going out alone. Waiting. Going to work. Waiting. Waiting for a "good" black man, with the same education level to marry them. Waiting. Even when they know the odds are stacked against them. Single black women with college degrees outnumber single black men with college degrees almost 3 to 1 in major urban areas such as Washington, according...