This might work if after being appointed for 6 years - you had to go home - and you could not be reappointed again.
This would eliminate Kennedy cabals - and a lifetime of campaigning.
I would really like to see this. People get one (1) 6-year term - PERIOD!!
This would make the person do their job and not put it off for the next 20 years.
And .. who would appoint them .. the Governor of each state ..?? That would give the Governorships much more control over what the state's representation.
It might have some kinks in it - but I like the idea of appointed senators who I would only have to look at for 6 years.
How about electing the Senators by a committee of 25 people chosen at random.