If there was one defining moment in the debates among an already crowded field of Democrats seeking their party's presidential nomination in 2004, it may well have been when Congressman Dennis Kucinich, pushing for government-provided health care, spoke with obvious disgust of the "profits" of the insurance companies and provoked a burst of spontaneous applause from like-minded members of the audience.Insurance companies, like every other kind of institution, have to earn money in order to keep functioning. So does every individual who was not born rich. But some people react to the word "profit" with automatic responses, like Pavlov's dog......