In his first public interview since his release, Viktor Bout, the Russian arms dealer nicknamed "the Merchant of Death," told state television about his time behind bars and said the U.S. prison system was inspired by Germany's Nazis. Bout, a 55-year-old former Soviet military officer, was serving a 25-year sentence in the United States before he was freed in exchange for U.S. basketball star Brittney Griner as part of a high-level prisoner swap on December 8. He was sentenced in April 2012 after being convicted of conspiring to kill U.S. citizens and officials, selling millions of dollars of weapons to...