To keep the status quo, you think it's OK for one of only Nine that determine our laws is nuts?<quoted text>
While I don't disagree with the intent of your message (there should be some criteria for determining a sitting judge is no longer capable of diligently performing their duty?) it opens up a whole trash can of problems.
Once criteria are accepted the race is on by the opposing side who has their President sitting in office to show how those judges in ideological conflice with the Presidents views meet said criteria.
We have enough partisanhip at this time.
If anything, I believe that their mental status be more scrutinized than any one else's in this country. Their job is, by far, the most important job in and for this nation.