http://www.freerepublic.com/focus/f-news/1003306/posts
he was much more than an advocate - he was THE driving force behind the bill of rights
He didn't ~ so much for his interest in the details.
Frankly, the then quite substantial percentage of the population with Huguenot ancestors (fathers, grandathers, great grandfathers, great great grandfathers ~ all from families who'd been persecuted by French kings) were the driving force behind the Bill of Rights.
Those of the English persuasion (Patrick Henry, for example) kinda liked the idea but they'd gone along with not having it. People like Leland couldn't imagine government without a Bill of Rights.