Kim Young Sam promised to clean-up the political system.

BBC: News Online

The co-operative now has until the end of the year to clean up its selling system.

ECONOMIST: Farming

Blaming the fact that staff used Linux operating systems on their production machines for "not noticing sooner", it advised concerned users to load some up-to-date antivirus software and "make sure your system is clean".

BBC: Scareware launched from tech blog

Brown called on world leaders to cooperate in achieving five tasks at the one-day summit, starting with restoring growth to emerging market economies and agreeing to "clean up" the global banking system.

CNN: Obama packs busy schedule into day before G-20 summit