“I should be nervous,” said Rep. Parker Griffith, a freshman Democrat from Huntsville, Ala.

Griffith said the Democratic rank and file is “very, very sensitive” to the fact that issues being pushed by party leaders “have the potential to cost some of our front-line members their seats.”…

“People who had weak knees before are going to have weaker knees now,” said Rep. Bill Pascrell (D-N.J.), a relatively liberal congressman who seemed safe in 2010 but now thinks a Republican challenger might feel emboldened by Tuesday’s election results…

Maine Sen. Olympia Snowe, the lone Republican to vote for a health care bill, said Tuesday’s results should slow Democrats down on health care — and “certainly gives pause on how you approach things.”…

“They’re feeling anxious and they want the government to do something to help them; they’re very worried that we’re going to spend more money,” Lieberman said. “I think one thing it says to me is that whatever we do, we better make damn sure it’s paid for.”