Charles and I just spent a few days in San Francisco at the end of January. It is my favorite U.S. city – always has, always will be (sorry, New York). Whenever I touch down at SFO, I always feel a sense of returning home, even though I have never lived there. Contrary to the headlines that portray San Francisco as a dangerous wasteland of homelessness, I experienced a city alive with culture, food, and natural beauty – reaffirming the…