COLUMN ONE A Late Decision, a Lasting Anguish # A Kansas doctor is under investigation for performing abortions others won't. His clients say outsiders can't grasp their pain or gratitude. By Stephanie Simon, Times Staff Writer WICHITA, Kan. — The moment is burned forever in her mind: The small exam room, her husband's ashen face, her sobs as the doctor guided a needle into her womb to kill her son. It's been 4 1/2 years, and still Marie Becker can feel Daniel kicking inside her, kicking and kicking as she choked back hysteria — kicking until the drug stopped his...