Ambinder parses Clinton:

An hour before bombing began Saturday, Clinton spoke to the press in Paris. Asked why military action was in America's interest, she gave three reasons and implied a fourth. A destabilizing force would jeopardize progress in Tunisia and Egypt; a humanitarian disaster was imminent unless prevented; Qaddafi could not flout international law without consequences. The fourth: there's a line now, and one that others countries had better not cross. The development of a new doctrine in the Middle East is taking form, and it could become a paradigm for how the international community deals with unrest across the region from now on. 

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