1.   Notes Richard Garfield, a sanctions expert and epidemiologist at Columbia University, such sanctions were nearly impossible during the Cold War.

2.   Reasoned debate about judicial conduct is virtually impossible during election years, which lend themselves to intellectual intemperance.

3.   Those who do will have to pass a psychological test and an extensive physical exam because medical care is limited and emergency evacuation impossible during the winter.

4.   In addition, road access to Foya is almost impossible during the spring rainy season.