Health Care unrest

The bitter divisions over an overhaul of the health care system have exploded at town-hall-style meetings over the last few days as members of Congress have been shouted down, hanged in effigy and taunted by crowds. In several cities, noisy demonstrations have led to fistfights, arrests and hospitalizations.

Democrats have said the protesters are being organized by conservative lobbying groups like FreedomWorks. Republicans respond that the protests are an organic response to the Obama administration’s health care restructuring proposals.

There is no dispute, however, that most of the shouting and mocking is from opponents of those plans. Many of those opponents have been encouraged to attend by conservative commentators and Web sites.

“Become a part of the mob!” said a banner posted Friday on the Web site of the talk show host Sean Hannity. “Attend an Obama Care Townhall near you!” The exhortations do not advocate violence, but some urge opponents to be disruptive.

“Pack the hall,” said a strategy memo circulated by the Web site Tea Party Patriots that instructed, “Yell out and challenge the Rep’s statements early.”

In response, liberal groups and the White House have also started sending supporters instructions for countering what they say are the organized disruptions.

The tenor of some of the debates has become extreme. Ms. Pelosi has accused people at recent protests of carrying signs associating the Democratic plan with Nazi swastikas and SS symbols, and some photographs showing such signs have been posted on the Web.

On Thursday, the talk show host Rush Limbaugh said the administration’s health care logo was itself similar to a Nazi symbol.

One of the week’s most raucous encounters occurred Thursday in Tampa, Fla., where roughly 1,500 people attended a forum held by Democratic lawmakers, including Representative Kathy Castor. When the auditorium at the Children’s Board of Hillsborough County reached capacity and organizers had to close the doors, the scene descended into violence.

As Ms. Castor began to speak, scuffles broke out as people tried to push their way in. Parts of her remarks were drowned out by chants of “read the bill, read the bill” and “tyranny,” as a video recording of the meeting showed. Outside the meeting, there were competing chants of “Yes we can” and “Just say no.”

Some of the protesters told local reporters they had been urged to come by a local activist group promoted by the conservative radio and television host Glenn Beck. Others said they had received e-mail messages from the Hillsborough County Republican Party that urged people to speak out against the plan and offered talking points.

At an appearance at a grocery store in Austin, Tex., on Aug. 1, Representative Lloyd Doggett, a Democrat, was drowned out as he tried to speak on health care change. One opponent had a mock tombstone with Mr. Doggett’s name on it.

Last week, a protester hanged an effigy of Representative Frank Kratovil Jr., Democrat of Maryland, at a rally opposing health care change. This week, Representative Brad Miller, Democrat of North Carolina, said he had received a death threat about his support.

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ANCHORAGE, Alaska - Former Alaska Gov. Sarah Palin called President Barack Obama's health plan "downright evil" Friday in her first online comments since leaving office, saying in a Facebook posting that he would create a "death panel" that would deny care to the neediest Americans.

"The America I know and love is not one in which my parents or my baby with Down Syndrome will have to stand in front of Obama's 'death panel' so his bureaucrats can decide, based on a subjective judgment of their 'level of productivity in society,' whether they are worthy of health care," the former Republican vice presidential candidate wrote.

"Such a system is downright evil," Palin wrote on her page, which has nearly 700,000 supporters. She encouraged her supporters to be engaged in the debate.

The claim that the Democratic health care bills would encourage euthanasia has been circulating on the Internet for weeks and has been echoed by some Republican leaders. Democrats from Obama on down have dismissed it as a distortion. The nonpartisan group FactCheck.org, a project of the Annenberg Public Policy Center at the University of Pennsylvania says the claim is false.