The late Professor Derrick Bell, who was the first black tenured professor at Harvard Law School, has become collateral damage in a failed conservative attempt to discredit President Obama. Smeared by conservative websites, and figures like Sarah Palin, as “radical” and “racist,” and unable to speak in his own defense, Prof. Bell’s legacy now rests with those who knew him. On Monday night’s The Ed Show, the late professor’s widow Janet Dewart Bell responded to these attacks on her deceased husband. The conservative Breitbart.com family of Big sites have lately devoted themselves to smearing the late Professor Derrick Bell as...