Scaling Bone Joints in Envelope View I have an armature whose envelope view shows some of the joints grotesquely out of whack so as to obscure the others, and I'm trying to visually scale the joints as per a video's illustration.

While entire bones will scale in edit or pose mode, the individual joints don't seem to scale visually in edit mode with the same data tab settings even in a new project:



Am I missing something?
The shortcut to scale a bones radius is: Alt+S