marty, we'd be happy to stand by and say hello on demand, given it was a time when we were around. just depends on the time period. let us know -gurcharan dartmouth college --- You wrote: 2. Arrange with some external sites to stand by and be ready to talk to us on demand. We've done this and know it can be rather boring waiting for the next tour group but there are one or two sites we've done this for so if turn about is fair play... ;-) --- end of quote ---