Now when you want to maintain good health, high peaks, high spikes in blood glucose and the insulin response that provokes is not a very good thing, and so the red line is a far healthier way to be than the yellow line is.
Speaking alongside Mrs Clinton, Spanish Foreign Minister Trinidad Jimenez said "Spain's and the international coalition's response is to maintain the unity and determination with which we have been working these past months".
Ask any Mexican politician what his country's foreign-policy priority must be, and the response is the same: maintain good relations with the United States and improve the lot of migrants headed north.