Christmas is always festive and what better place to experience it than in San Francisco. Well, not the first choice compared to New York or Chicago, but when in the bay, you don't want to hang out with the homeless near St James Park in San Jose celebrating Christmas in the Park. Better instead to head up the bay to the queen city of San Francisco, which has way more on offer. A new solution to homelessness in the age of AI, anyone? Twinkling lights on the Bay Bridge that you realize are car...