Colleagues say scientist was innocent; others recall dark side
                                
                                
                                    (Newser) -
                                    Bruce Ivins, the government scientist who committed suicide this week as FBI investigators working the case of the 2001 anthrax attacks were closing in, was known as a quiet, introverted researcher, the Washington Post reports. One ex-colleague described him as "a well-respected scientist” although he “always seemed on...