And Mr Bush did not commit his own authority to the peace effort, in the way that Bill Clinton did.

ECONOMIST: Foreign policy

Russia said on Tuesday it was ready to commit up to 10, 000 troops to help enforce the peace deal, although not under NATO's command.

CNN: Clinton

Together, they will identify real peace-related problems in their communities and create a practical implementable action plan and commit themselves to implementing it when they return home.

UNESCO: Social and Human Sciences