Here's the basic break down.
He brings up some important points about speaking your mind in a society that is not terribly free.
I will go into length later and it will be one of my most important posts, but free really isn't free, and sometimes the front lines are not in some far flung country but rather at home.
You can also buy his book which is worth it and isn't charity.
Americans may have difficulty in making a donation. Something wrong with Pay Pal (again)