He went back on a pledge on tuition fees, which has stuck in the throat of many people.
The art collector Donald L. Bryant Jr. is dismissing recent accusations that he is trying to go back on a pledge he made to the Museum of Modern Art and the artist Jasper Johns that he would donate three important paintings by Mr. Johns to the museum.
The SNP leader, Nicola Sturgeon, went back on a pledge she made in February that the SNP would not "vote on matters that purely affect south of the border" with an announcement that her party would vote against a government plan to relax fox-hunting regulations in England and Wales.
Many fans felt the club had gone back on a pledge to keep the former France international and jeered Rosell during Abidal's farewell ceremony on the final day of the season.
Mr Lamb told Radio 4's Today programme the public's confidence in his party had been severely damaged by its decision to go back on a pledge, made before the 2010 election, to oppose any increase in university tuition fees.
A frustrated Democratic Senator Ron Wyden, who has asked for such an estimate for several years, said Coats "went back on a pledge".
Clegg, meanwhile, appears to have got his comeuppance for joining forces with Cameron as Deputy Prime Minister, and especially for going back on a campaign pledge not to raise university fees.
In Japan, Mr. Bush must somehow find a way to encourage meaningful reform in Tokyo without going back on a longtime pledge not to lecture this country over its economic management.
Nigel Farage has said he would stand for parliament again if there were a re-run of the South Thanet election, going back on a previous pledge to retire from frontline politics.
Meanwhile, Farage's office confirmed he would stand for parliament again if the South Thanet election was re-held, going back on a previous pledge to retire from frontline politics.
