This week, U.S. Rep. William Delahunt spoke publicly and took questions, for the first time, about his decision not to charge Amy Bishop with a crime in connection with the shooting death of her brother, Seth, back in 1986. Rather than taking responsibility, Delahunt pointed the finger of blame at Braintree cops, claiming it was their fault he knew nothing about the fact that after Bishop shot her brother to death, she ran to a nearby auto body shop and aimed the weapon at an employee. Delahunt said he would have filed weapons charges against Bishop, had he known, so...