It was in a model group. For some reason you cannot adjust this setting of the column in the model group even if the model group is in edit mode.
To fix I delete the column from the group and then out it outside the group and then add it back in.
So, the answer to my 2nd question is "Yes".
BTW, you can adjust a grouped column by Editing the Group.
Why can't you edit a columns base and top level when it's in a model group?
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