Peek Rush News Today

Homegrown terror plot. how do everyday americans become radicalized and turn against their country? with a preview an an in depth investigation, heres senior international correspondent nic roberts. >> reporter: this is penn station in the heart of new york, at peek rush, 60,000 people churn through here every hour. 60,000 every hour. for al qaeda, penn station and the potential for a mass killing is a prize daunting target. then it seems they got lucky. thats when this man, a young american who...