In a Congress of millionaires, Republican Anh Cao voted for poor New Orleans

The single House Republican who voted for the Democrats' health-care legislation is a first-term congressman from a strongly Democratic -- and very poor -- district comprising most of New Orleans. Rep. Anh "Joseph" Cao's vote is significant, not because it was politically motivated -- and it was -- but because it highlights the disparity between lower- and middle-class people throughout the country and many of their representatives in Washington, D.C.

Among the 535 elected representatives deciding the future shape of the American health care system, some 44% are millionaires, according to a new study by the Center for Responsive Politics (CRP), a nonpartisan reseach group that tracks the effect of money in U.S. politics and policy. Rep. Cao is not among them. Neither are his constituents.