Analysis shows lone actors more likely to commit terrorist acts than US extremist groups phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
There's no question that America is facing real crises: an epidemic of substance abuse, the collapse of marriage and families, inadequate mental health treatment and neighborhoods rife with crime.
On the heels of yet another mass shooting, we are once again hearing renewed calls to repeal the Second Amendment or make ownership of some (or all) weapons illegal. But