We sponsor and moderate three Yahoo discussion groups. These are web based forums that you may access from the links below if you already belong. To join, enter your email address in the slot(s) below. You will get an email from Yahoo with further instructions. Once you have joined the group(s) you may choose to get induvidual emails; a daily summary; or no emails at all. With any of these options, you can read any posts online, or search the group archives.