But privately, some members of Congress said the Clintons' history on Capitol Hill has hurt them in their time of need. Cooper, whose history with Clinton was described in a book years ago, said he was worried when the matter was revived in a newspaper column in February that his Democratic colleagues would chastise him for criticizing one of the party's leading contenders.
"Instead, I was treated to a hero's reception out there," Cooper said, gesturing toward the House chamber. "People from all over said, 'I'm so glad you told that story about Hillary. She did the same thing to me' . . . on education or some other issue," Cooper said.
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others point to a list of leading Democrats who have had run-ins with one or both of the Clintons and have either not endorsed her or have backed her opponent.
They include Senator Robert Casey Jr., a Pennsylvania Democrat whose father, Governor Robert Casey of Pennsylvania, was prevented from speaking at the 1992 Democratic National Convention after a dispute with Bill Clinton over abortion. The elder Casey said at the time that he was being punished for his antiabortion stance, but he also refused to endorse the Clinton-Gore ticket at the time.
Former vice president Al Gore, who sometimes sparred with the president's wife during the Clinton administration, has remained silent.
Senator John F. Kerry, the Massachusetts Democrat whom Hillary Clinton criticized after he made a botched joke about Bush that was perceived as an attack on US troops in Iraq, has endorsed Obama.
Senator Ben Nelson, a Nebraska Democrat who disagreed with Hillary Clinton on healthcare changes when he was Nebraska governor and her husband was in the White House, has endorsed Obama.
Representative Niki Tsongas, a Lowell Democrat whose late husband, former senator Paul Tsongas, endured negative attacks by Bill Clinton in the 1992 campaign, has not yet endorsed a candidate.
G. Terry Madonna - director of the Center for Politics and Public Affairs at Franklin & Marshall College in Lancaster, Pa. - said the Clintons have "worn out their welcome" among many superdelegates, in part because of old grievances ranging from personal squabbles to broader issues such as the impeachment fight.
http://www.boston.com/news/nation/articles/2008/05/18/as_clinton_chances_wane_old_slights_come_due/?page=2