Last night, President Obama appeared on Late Show with David Letterman to reaffirm his position that people who oppose government health care are nuts, while he is just another in a string of great leaders who’ve tried to “bring about significant changes” in American life. You know, FDR, Reagan, Obama. (I think I found a kindred spirit for Matt Latimer.)

As the president said, “Whenever a president tries to bring about significant changes … there is a certain segment of the population that gets very riled up.”

FYI, he means the opposition. But you wouldn’t know it to look at what his supporters are saying.

There was, of course, Nancy Pelosi’s bizarre warning that people might get hurt if the opposition continues to speak. Then there was the DNC’s promise to “rain … hellfire” upon opponents of government health care. And today, Politico reports that a union coalition in favor of government health care has erected this billboard targeting Blue Cross:

Remember, in the president’s estimation, these are the moderate voices for health reform.