Here's some info about freemasons.
http://www.masonicinfo.com/
They point out that very few presidents were masons.
I don't really understand the whole freemason thing. Seems to me to be an 'old boys' club where members live good lives and do charitable work.
My hubby was encouraged to join back in the '70's where he was told he would have a significantly higher chance of climbing the 'corporate ladder' if he were a member. He told them, "No thanks" and instead, climbed that ladder on his own through sheer hard work.
I've nothing against them, I do feel it's their 'society of secrets' attitude that has kept them going throughout the centuries. If there were no secret mens biz stuff, the general public (and media) would not even bother with them.