KHIMKI, Russia (Reuters) -The defence team of U.S. basketball player Brittney Griner, detained in Russia on drug charges, argued in court on Tuesday that she had used medical cannabis to assuage pain from injuries, like many other elite international athletes. Griner, a Women’s National Basketball Association (WNBA) star who has played in Russia during the league’s offseason, was detained at a Moscow airport on Feb. 17 with vape cartridges containing hashish oil in her luggage. Medical marijuana is illegal in Russia. She faces a possible jail sentence of up to 10 years in a case that has highl…