Thanks to Warren Ellis, The Seven Preconditions for violent Revolution:
1. Soaring then crashing standards of living
2. Rising class war/disillusionment
3. A generation of abandoned intellectuals
4. Incompetent government
5. Failure of leadership
6. Fiscal Irresponsibility
7. Inept and inconsistent use of force
Read the summary at GNN and When Change Is Not Enough, the full article at Alternet.
