What's the difference between these two sets of names?

Joe Biden, Hillary Clinton, Bill Richardson and Tom Vilsack.

John Edwards, Chris Dodd, Mike Gravel and Dennis Kucinich.

Answer after the jump.

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U.S. Rep. Walter Jones' chief of staff says he never voted to impeach the vice president. 

After Dome posted a link to a post by David Frum asserting that Jones voted to impeach Cheney, Glen Downs, Jones' chief of staff, called to say that Frum was wrong.

In November, there was an effort by Democratic Rep. Dennis Kucinich to impeach Cheney for "fabricating a threat of Iraqi weapons of mass destruction" to justify the war in Iraq.

The vote involved some strange manuevers, in which the Republicans tried to force a vote to portray the Democrats as extreme, and the Democratic leadership tried to ship the measure to committee to kill it.

Jones voted against a motion to suspend the rules and consider the impeachment measure, Downs said. Jones then voted to send the measure to committee to kill it.

"He never voted to impeach Cheney," Downs said.

Previously: Jones gets help from GOP establishment. 

MANCHESTER, N.H.—Across the Saint Anselm College campus from where the actual ABC/WMUR/Facebook debates are taking place tonight, about 100 demonstrators wield their signs and messages in a fenced-in "demonstration" area guarded by police officers and live TV crews.

The Dennis Kucinich crowd wears duct tape over their mouths, labeled "media censorship" in protest of ABC News leaving Kucinich out of tonight’s debate. The Ron Paul crowd hollers and argues with police officers about where they’re supposed to be standing, Barb Barrett reports.

About three dozen supporters from the Hillary Clinton camp face off with the same numbers from the Barack Obama side, alternating chants and hoisting signs like fans at a football game.

"Hill-a-ry! Hill-a-ry!" one side chants as TV cameras move in close.

"O-baaaam-a!" the other side hollers. "O-baaaam-a!"

John Edwards supporters were nowhere to be seen.

Will endorsements from prominent lefties help or hurt John Edwards in Iowa?

On his Trail Mix blog, Winston-Salem Journal reporter James Romoser points out that Dennis Kucinich has urged his supporters to vote for Barack Obama as a second choice.

Because of the arcane rules of the Iowa caucuses, supporters of any candidate who does not meet a 15 percent threshold get to choose again.

Four years ago, Kucinich did the same thing for Edwards, helping to propel him to a surprise second-place finish. Edwards is apparently less palatable to Kucinich this time around, but Edwards did get the endorsement of a different lefty, Ralph Nader.

Nader, the former Green Party nominee, said Edwards would stand for "the people" against big business, but also spent much of his endorsement speech attacking Hillary Clinton.

John Edwards was overheard discussing with Hillary Clinton Thursday night the need to reduce the number of people participating in the Democratic presidential primary debates — a move that did not sit well with the second-tier candidates.

Fox News Channel microphones picked up a conversation between Edwards and Clinton after an NAACP forum in Detroit on Thursday, reports Rob Christensen.

"We should try to have a more serious and a smaller group," Edwards said.

Clinton agreed: "We've got to cut the number ... they're not serious."

Among those who objected was U.S. Rep. Dennis Kucinich.

"Candidates, no matter how important or influential they perceive themselves to be, do not have and should not have the power to determine who is allowed to speak to the American public and who is not," Kucinich said.

Other Democrats attending the forum were former Sen. Mike Gravel, New Mexico Gov. Bill Richardson and Sens. Barack Obama, Chris Dodd and Joe Biden.