The US has blamed the specialist Qods Force in an Iran assassination plot. But those who track the group say the plot doesn't reflect the careful planning, efficiency, and strategy the Qods Force is known for.
President Ahmadinejad has made it a priority to cut subsidies on daily essentials such as gas, water, and flour that have cost Iran as much as $100 billion a year since 1979.
North Korea is seen as an unpredictable 'spoiled child.' Iran is seen as a rational but aggressive nation. Each have nuclear programs, but pose unique problems for US security.