Bonanza is a great western series, containing family values wish we had more like it though there are a few funny things and a couple of goofs in there. In a couple of early episodes "Samuel Clemens/Mark Twain" visits Virginia City. In a later episode He is called to be a character witness for the Emeperor Norton of the USA but it is a different person, with totally different looks. The first is a relatively young man, the second the old-looking Mark Twain. Ben Cartwright, however, has not aged a