A solution for the reading gap between black and white children was discovered four decades ago. So, why aren't we taking advantage of it?One does not expect to see New York's school Chancellor Joel Klein on the same stage as Reverend Al Sharpton. Klein is infamous for his emphasis on test scores and shutting down schools that fail to measure up. Not so long ago, Sharpton was in the barricades with Russell Simmons protesting mayor Michael Bloomberg and Klein's plan to cut New York City's education budget. Yet these days the two are teaming up for the Education Equality Project,...