Mr Lansley, MP for South West Cambridgeshire, urged the council not to "renege" on the expectations of the showpeople, who were told the travellers' site would never be reopened.

BBC: Andrew Lansley calls for travellers' site not to reopen

And the mayor will not be able to renege on this contract.

ECONOMIST: The Greater London Authority

Well, it looks like Yahoo's not immune to such goings on, as it's just announced that it will renege on its previous data retention promises and hold on to raw search data for 18 months.

ENGADGET: Yahoo to retain search data for 18 months, says it's in your best interest

While this is not the same as a Federal guarantee, no state life insurance fund has ever let one of its members renege on its claims.

FORBES: Variable Annuity Mini-Boom Coming