In Congress, discourse deteriorated during the health care debate. Notably, Rep. Randy Neugebauer (R-Texas) yelled out "baby killer" on the House floor.
But it's not a new phenomenon, nor is it the province of a single political party.
Ken Rudin, political editor and Political Junkie for NPR
Lou Frey, former Republican Congressman and editor of Political Rules of the Road
Scott Horsley, White House correspondent, NPR