WNBA star Brittney Griner, detained in Russia since February, sent a letter to the U.S. president asking him to do everything possible to bring her back to America. Griner, jailed on drug-dealing charges, pleaded for her freedom and said she is terrified she will not be able to leave Russia. “…as I sit here in a Russian prison, alone with my thoughts and without the protection of my wife, family, friends, Olympic jersey, or any accomplishments, I’m terrified I might be here forever”