Only 2 countries held known public executions last year. The U.S. is preparing for its first in 90 years.
When Nidal Hasan is put to death by firing squad during a public livestream, he will become the first person to be publicly executed in the United States in nearly a century. The Defense Department announced Thursday the execution of Hasan, the ex-Army major who was convicted in the 2009 killings of 13 people at…