Sounds like you need a "free estimate" from your local TV repair guy
'bout 2 minutes w/ a handheld degaussing (sp ?) coil should fix it (make sure he brings one)
Most likley, but it is one of those things that has been there so long you sort of just don't see it.
Now we are waiting to see what is going to be required for the new HDTV standards before we replace it.