Zimbabwe's violent land-reform program drove most of the country's white commercial farmers off their land.

NPR: Under Dictator, Zimbabwe Slides into Chaos

Papandreou picked outgoing Defense Minister Evangelos Venizelos as new finance minister, jettisoning George Papaconstantinou, architect of a belt-tightening program that has stoked violent unrest and a revolt in his Socialist Party.

FORBES: Greek Politics and Greek Default

The program, mostly used for young, non-violent offenders involved in drug related crimes, resulted in returning a more disciplined inmate to society within a shortened period of time (inmates received additional time off for completing the program).

FORBES: Federal Prison -- All White-Collar Sentences Should Be "Shock" Sentences

Greece has already agreed to a harsh austerity program and labor market reforms, which have led to violent street demonstrations and crippling unemployment.

CNN: Greeks pushed to work more to pay debt

In return for international bailout funds, Greece has agreed to a harsh austerity program and labor market reforms -- measures that have led to violent street demonstrations in the past.

CNN: Thousands protest austerity measures in Greece

The symptoms of vicarious trauma -- stress, social withdrawal, sensitization to televised violence -- are not enough to make people violent themselves, said Barbara Rothbaum, director of the Trauma and Anxiety Recovery Program at Emory Medical School.

CNN: Treating trauma victims may cause its own trauma

Tucson police officials declined to discuss the gun program or public safety concerns, but statistics published by the department show violent crime was at a 13-year low in 2010, with 3, 332 incidents.

WSJ: Arizona gun proponents launch free gun program