It isn't US place to police this mess, even if we admittedly did not had enough collective wisdom to stay out last time, and as a result had a hand in getting it to this point.
Also what is the alternative? Do you believe that Romney would have not acted in similar way? I think Romney would have put boots on the ground. So would Hillary.
Sen. Rand Paul (R-KY), who hasn’t said anything on Monday evening or early Tuesday yet, has said in recent weeks that he supports airstrikes but if he were president he would have sought congressional approval before engaging in such military action on behalf of the United States.
"If I were in President Obama’s shoes at this time, I would have called Congress back, I would have had a joint session of Congress, and I would have said ‘this is why ISIS is a threat to the United States, to the stability of the region, to our embassy, to our diplomats, and this is why I’m asking you today to authorize air attacks,’” Paul said in an interview with Breitbart News right before August recess ended, for instance.