There is a much simpler explanation: Most Americans don’t trust Republicans on matters of war and peace. Not after the nation-building disasters in Iraq and Afghanistan, that is. Why should they trust us? Our leadership has never admitted it made a mistake. Sen. Ted Cruz, to be sure, had the gumption last fall to say that “we got too involved in nation-building” and that “we should not be trying to turn Iraq into Switzerland”–and was excoriated for his trouble by the Bushies. The Republican mainstream is too busy trying to defend the Bush record to address the distrust of American voters…

Republicans need a clear and simple policy about the use of force: We will use force only when we and our close allies are under threat. We will use the kind of force that least exposes Americans to harm. We will not sacrifice the time, let alone the lives, of American soldiers to fix the problems of other countries. I recommend that Republican candidates read Angelo Codevilla’s 2014 book To Make and Keep the Peace, and then ask Prof. Codevilla to design a bumper sticker for them.

It’s hard to know whether to laugh or cry, or both, and in what order. Here we have the least competent president in American history bungling a decisive foreign policy matter in full view of the public, and bungling so badly that 7 out of 10 Americans think that any agreement we make with Iran will be a piece of garbage–and Americans still want Obama to handle the negotiations! That is not only injurious. It is humiliating.