The defining moment came late in the morning, Wednesday, Dec. 19, at the last meeting of the year for the Federal Energy Regulatory Commission. That's when the TV cameraman spied former FERC chair Betsy Moler sitting in the audience, and trained his lens on her. As she looked up, she saw her image staring back from the flat-screen monitors scattered about the hearing room. But her shoulders were slumping. The cameraman could not know that the commissioners up at the head table had just stabbed her in the heart.