I know you can’t feel it yet, but believe me, spring is coming. The proof is in the plethora of productions previewing on Broadway. Will they all be good? Hell, no. But some will be decent and there will be one or two that stay in your heart forever as a highlight of your theatergoing life. Of course, one person’s cherished memory may be another’s left-at-intermission, but that’s part of the joy of being a theater queen. But remember, it’s not about which show was better, but which fan argues the loudest at brunch. Here are a few shows starting up that should animate your debates.