Charlotte Childress and Harriet Childress write for The Washington Post: “Nearly all of the mass shootings in this country in recent years — not just Newtown, Aurora, Fort Hood, Tucson and Columbine — have been committed by white men and boys. Yet when the National Rifle Association (NRA), led by white men, held a news conference after the Newtown massacre to advise Americans on how to reduce gun violence, its leaders’ opinions were widely discussed.”