The screen name field is optional and only needs to be completed if you would like to post comments on BostonGlobe.com articles.
To create a screen name, log into the Boston Globe Member Center at www.bostonglobe.com/myglobe
Note: Commenting on BostonGlobe.com is reserved for BostonGlobe.com subscribers.
Once logged into the Member Center, under the Profile section, click "Edit Profile".
This will take you to the User Profile page. In the "Screen Name" field, enter your screen name.
Please note that you can only use letters, numbers, and dashes in your screen name. In addition, the name you select must be unique and not already in use on Boston.com or BostonGlobe.com.
After you have entered a screen name, click "Update". You should now be able to comment on the site.