It is still there, and one can argue that if there was leadership on the Security Council, at the Secretariat, in a devising of mandates that were clear and resourced appropriately, and if there was the political will to have that mandate, then peace enforcement or complex peace operations, or whatever nomenclature you choose, might have a chance at being more successful in those kinds of environments.
On May 25th, 2010. See this statement in context.