Seven Key Points from Obama's Isis Speech And What They Actually Mean.

I disagree with the article on the conclusion of the first point. If it's a question of fighting threats to the US, it does not follow that the US should only fight the worst one. But this is a side issue, since it's relevant only if you believe that the most important thing about ISIS is whether it threatens the US directly.

The second point's conclusion is simply wrong. There is nothing "preventive" about responding to a continuing armed attack.

However, the other five points are valid.