Military State?

I was contemplating my ponderings today and my thaughts drifted towards libya. Why would a president who came into office with the obvious discontent towards the somewhat stable efforts in Iraq condone in military action in a situation that is on its head? It may be that a fair amount of pressure from the high ranking military officials was put on the president. I may just be another conspiricy theorist, but here's some food for the thaught.....