Radicalism. We know it happens, but how does a seemingly normal person reach this point? In her book, Home, Land, Security, journalist Carla Power talks with Sharon about radicalism, and seeks to define and clarify extremism. Having radical ideas does not necessarily make a person a resort to political violence. So what, then, does? What are the roads that lead people into committing radically extreme acts, and what are the roads that lead them back out from a state of violence? What does it take to de-radicalize people inside terrorist groups?