Politics'Grab-bag' extremists drive surge in U.S political violencePostedA new breed of extremist has sparked the deadliest wave of U.S. political violence in decades.
These self-made radicals, mixing right-wing conspiracy theories and marginal beliefs, forego logic and coherence in favor of personal grievances.
Investigative reporters Peter Eisler and Ned Parker explain.
Persons:
Peter Eisler, Ned Parker