Thank you to those who responded. I did fine a Thunderbolt to Ethernet adapter and a USB to Ethernet adapter in the Apple store, both for $30.
Since I do not use displays with any real frequency, I went with the former. Christine -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. To post to this group, send email to macvisionaries@googlegroups.com. Visit this group at http://groups.google.com/group/macvisionaries. For more options, visit https://groups.google.com/d/optout.