I don't know about that. It smacks of FDR's attempt to "pack" the court back in the day. I would prefer a constitutional amendment to limit the terms a SC judge can serve. How about 15 years instead of 15 justices? Or maybe 12 years and limit the congress to 12 year terms also.
“... It smacks of FDR’s attempt to “pack” the court ...”
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So what?
Term limits would be a whole different topic.