By Matt Hladik The wife of WNBA star Brittney Griner admitted in an interview with CBS that she is “terrified” for her spouse, who remains imprisoned in Russia. Cherelle Griner told CBS’ Gayle King that she is worried about her wife, who has been locked up in Russia since her February arrest on drug charges. Brittney Griner pleaded guilty during the summer and was sentence to a 9 1/2-year sentence. “It feels to me as if she’s a hostage,” Cherelle Griner said. The full interview with Cherelle will premier tomorrow morning, but many of the reactions to this clip have been supportive of the coupl…