Midtown — and its businesses — may be in for more comfort and joy during this year's holiday season. In fact, some areas may start to look more like the North Pole than California's state capital. Santa Claus might set up shop in Sacramento's hippest neighborhood. A Festival of Trees might light up Marshall Park. A holiday ice skating rink might take over an empty lot. It might even snow. Key word here: might. Those ideas fill a wish list drawn up by the Midtown Business Association (MBA), which believes such festivities could attract up to 50,000 customers during what's shaping up to be another dismal holiday spending season nationwide. With the continuing recession, businesses and t