The courtroom was packed as testimony began in the sentencing hearing of a woman convicted of murdering her husband of 20 years by poisoning his coffee. The defense attorney knew he had his work cut out for him in order to make his client appear more sympathetic to the Judge, since she had been so ""matter-of-fact"" about the whole thing all during the trial. ""Mrs. Roth,"" he began, ""was there any point that morning where you felt pity for your husband?"" ""Well... yeah... I guess..."" she rep…