Freshly returned from August recess, legislators find themselves embattled in heated debates on immigration, tax reform, and health care.The democratic process passed down to us by the Founding Fathers has long ensured that American voters have their voices heard, via representatives in the House and Senate chambers. Now more than ever, these debates are happening outside the marble halls of the Capitol.Policy debates are now ubiquitous and constant. Anyone who wants to participate needs two things: an opinion and an internet connection. Welcome to the world of digital activism.Online activism, even online petitioning, is not a new concept. However, it...