At a photo session with Mr.Arias, a Nobel peace laureate tasked by the OAS with mediating the conflict, Clinton said it is imperative that Mr.Zelaya's return not lead to violence.

VOA: standard.2009.09.22

Mr.Major says it is imperative for the inquiry to determine whether Blair's cabinet knew that there were serious doubts about whether there actually were any weapons of mass destruction in the weeks and months ahead of the invasion.

VOA: standard.2010.01.02