If we're picking people to draw out of their own conscience and experience a 'new' Constitution, we should not look principally for good lawyers. We should look to people who agree with us. When we are in that mode, you realize we have rendered the Constitution useless.
A search is a search, even if it happens to disclose nothing but the bottom of a turntable.
There is nothing new in the realization that the Constitution sometimes insulates the criminality of a few in order to protect the privacy of us all.
What is a moderate interpretation of the text? Halfway between what it really means and what you'd like it to mean?
If you think aficionados of a living Constitution want to bring you flexibility, think again. You think the death penalty is a good idea? Persuade your fellow citizens to adopt it. You want a right to abortion? Persuade your fellow citizens and enact it. That's flexibility.