HANOVER, N.H. &#8212 Presidential hopeful John Edwards said Thursday the Washington establishment is corrupt and suggested – without mentioning her by name – that Hillary Clinton has been part of that system.

Edwards’ new stump speech, centered on a need for change and aimed at his top two rivals, comes just before Labor Day, the traditional start of the primary nominating season in this state where he has seen his polling numbers slip in recent months.

“Real change starts with being honest, and I want to say something again: The system in Washington is rigged, and I’ll say it again, it’s rigged and it’s rigged by greedy powers,” Edwards said.

“It’s rigged by the system to favor the establishment,” he said at Dartmouth College.

What Edwards called “the rhetoric of change” is popular among all the Democratic candidates. Sen. Barack Obama uses the notion throughout his campaign. One of Clinton’s slogans is, “Ready for change, ready to lead.”

Edwards challenged his Democratic rivals’ ownership of the word at the start a four-day swing through New Hampshire.

“The American people deserve to know that their presidency is not for sale. The Lincoln Bedroom is not for rent,” Edwards said to applause, referencing a Clinton-era controversy in which high-dollar donors were allowed to stay in the White House’s famed bedroom.

Edwards said the past isn’t going to solve today’s problems or “a corrupt and corroded system.”

“Those wed to the policies of the ’70s, ’80s or the ’90s are wedded to the past, ideas and policies that are tired, shopworn and obsolete. We will find no answers there,” he said.

Clinton served as first lady during most of the 1990s.

Edwards later said he didn’t mean to target Clinton during his new stump speech, but her campaign felt otherwise.

“Angry attacks on other Democrats won’t improve Senator Edwards’ flagging campaign,” said Clinton spokeswoman Kathleen Strand. “Senator Clinton has the leadership and experience to make real change happen, and she has been fighting for American families for 35 years.”

Edwards’ speech, his toughest yet against his top rivals, sought to draw clearer lines between himself and better-polling Democrats.

“Small thinking and outdated answers aren’t the only problems with a vision for the future that is rooted in nostalgia,” Edwards said. “It’s not just that the answers of the past aren’t up to the job today, it’s that the system that produced them was corrupt – and it still is corrupt.”

He said voters can’t simply “replace one group of corporate Republicans with a group of corporate Democrats, just swapping the Washington insiders of one party for the Washington insiders of the other.”

Edwards was gentler on Obama, although he also was on the former North Carolina senator’s mind.

“How many times have voters in New Hampshire heard politicians come rolling through here saying that they want change?” Edwards said. “That’s great. What do they really want to do as the president of the United States?”