If you have gotten the "Error establishing database connection" message:
Our server managers have been trying to sleuth this for days now. Generally if you get one and then hit "refresh" you should then get the page you're trying to reach; if it happens when you try to publish a post or response, hit BACK so you don't lose what you wrote.
Our apologies - this seems to happen every few years for reasons that even the experts can't figure out. Like a test pattern popping up in the middle of an over-the-air TV show back in the ooooold days... TR