By Andrew Holleran Brittney Griner was flown home to the United States on Thursday, returning to the country after being imprisoned in Russia for nearly a year. The WNBA star had been sentenced to nine years in jail on drug charges. The U.S. worked out a prisoner swap with Russia, sending arms dealer Viktor Bout back to his country in exchange for Griner. On her flight home, Griner reportedly introduced herself to everyone on board. “On her flight home from Russia, Brittney Griner introduced herself to every member of the flight crew, according to an interview Special Presidential Envoy for Ho…