For those who are interested in building mass, democratic movements with the goal of effecting radical change, this is an important topic. You would be well served to take the time to read these.
From a Marxist perspective:
1, http://en-gb.connect.facebook.com/notes/uottawa-marxist-students-association/anti-consensus-pro-democracy/231962333532584
2, http://fritztucker.blogspot.com/2011/10/american-autumn.html
3, http://kasamaproject.org/2011/10/28/and-what-about-consensus/
From an anarchist perspective:
4, http://www.geocities.com/collectivebook/bookchin.html
5, http://www.spunk.org/texts/writers/bookchin/sp000515.txt
6, http://libcom.org/organise/general/articles/decision-making-and-organisational-form.php
