I got back from Los Angeles last night and my head is still spinning. Iโ€™d move there again in a heartbeat. There are three great cities in the United States: thereโ€™s Los Angeles, Chicago, and New York โ€“ in that order. I love Boston; I even love Denver; I like Miami; I think Washington DC is habitable; but Los Angeles is Los Angeles. You canโ€™t compare it to Paris, or to London, or to Rome, or to Shanghai. You can interestingly contrast it to...