The double meaning of the Libyan strategies

Here are some questions (and possible answers) that we made on the conflict in Libya. Why does the international community has moved only at the last possible moment and in any order? More than the "coalition of the willing" that is attacking Libya appears to be the 'army of reluctant "between distinctions, exceptions and partial commitment, only two weeks ago it seemed that only a little push to dislodge the dictator would have been done (albeit with the bad), but seemed to lack the fundamental motivation: an official document that would allow the act or resolution which took away the doubts about action without the "cover" (or umbrella) impartial, the United Nations (perhaps sheet the former with the U.S.