This is a wonderful analysis of the age of social media that brings together many common American Government themes.
‘It’s the (Democracy-Poisoning) Golden Age of Free Speech‘-Wired
Link to US Civitas Facebook Discussion Thread
Challenges & Promise of the Information Revolution
Lawrence Lessig on How the Internet is Breaking Democracy
This brings together a lot of topics: public opinion, polling, media, polarization, and the duty of citizens and opinion leaders to be responsible consumers and producers of political information (news literacy).