"...should Facebook be more proactive in removing (at least provisionally) hate groups like the ones listed above? Okay, before you start crying foul about free

"...should Facebook be more proactive in removing (at least provisionally) hate groups like the ones listed above? Okay, before you start crying foul about free speech and the 1st amendment..." Is there some Facebook Constitution I'm not aware of? What duty does Facebook have to uphold the first amendment?