With 2,700 replies and counting, All On Medicare's tweet asking When did you become radicalized by the U.S. health care non-system? is now one of the most thorough (and thoroughly depressing) collections of evidence of the need for healthcare reform you're likely to encounter. The title story of my new book Radicalized is about angry men whose most cherished family members are condemned to slow, painful deaths after their insurers refuse to cover lifesaving treatments by classing them as "experimental." These men are radicalized on message boards where there's always someone standing by to welcome people who are suicidal in their grief by urging them on, saying "Do it!