The more I think about the iPhone Air, the more I think back to the introduction of the MacBook Air back in 2008. I used the word “compromise” ten times in my review of that first lightweight Mac laptop. If the story of the MacBook Air is a story about compromise, the decision about whether the MacBook Air is a product worth having can be answered by one question: How much are you willing to compromise? And it’s all just a little bit of history repeating. This year’s selection of iPho...