"Twitter is like the crystal meth of social media," says our guest, University of Tennessee Law Professor, Glenn Reynolds, founder of the popular political blog, Instapundit.  Twitter "is addictive and ultimately unsatisfying."

In this episode we look at why social media is poisoning our politics, journalism and relationships by stoking anger, fear, hyper-partisanship and distrust of others. We ask: "how do we fix it?"