From the outside of its white box, labeled "Phone no. 4," it's clear to see that the Air Phone 4 is trying awfully hard to be an iPhone 4. But then we already knew that. How, you might wonder, does it compare to the real thing in the real world? Poorly, according to intrepid reviewer Stuart Ashen. The external metal surface (which you might be familiar with) is here actually plastic, meaning you don't ha