Boston Review has an excellent collection of articles online assessing the impact and enduring legacy of The Port Huron Statement.
I especially like this, from Bernardine Dohrn:
The Statement endures, however, not only because it nailed our country’s systemic racism and global military domination, but also because it lit up the ideal of participatory democracy. The Statement’s authors didn’t simply call for participatory democracy; by carefully articulating their reasons and sharing them publicly, they showed what participatory democracy is.
Read more, including articles from Hayden, Ayers and others…