reporter: are in the early stages of military power, one this president has not frequently used. he s addressed the people from the oval office only twice, both times sounding like professor obama, on the oil spill, and the withdrawal of troops from iraq. we have met our responsibilities. reporter: but when he s pro jektding american force, this president is on his feet, joining the fight in libya. i authorized military action toston the killing. reporter: pressing his case against syria. assad must go, and i believe he will go. reporter: announcing the killing of owe sau osama bin la. he s got to hit that big point. what is so important about this. syria s always a mess. why does this matter to the