I think it indicates we need to have the capabilities to do the job on the ground. It indicates that not all allies will be as committed to the mission as we are, and we have to be careful about that. It indicates that these sorts of conflicts undertaken for the best of reasons can be ambiguous in their moral and strategic outcome, and it indicates that while the public very much supports the armed forces, it may not continue to support the mission.
On February 14th, 2012. See this statement in context.