Widow wants answers By EMILY J. MINOR Palm Beach Post Staff Writer Saturday, October 06, 2007 W hen she looks back - and how can you not? - it all makes so much sense. The tubes and the masks and the FBI agents. Video: See an exclusive interview with Maureen Stevens. The worried doctors and the sneaky reporters and the room where they told her the ending. "I should have known," Maureen Stevens says now. But back then, things like masks and tubes and a box of tissues on a meeting room table just didn't click. Now, of course, it...