By Humeyra Pamuk and Simon Lewis WASHINGTON (Reuters) – The plight of Americans detained by foreign governments has moved into the spotlight with the case of U.S. basketball star Brittney Griner, who is on trial in Moscow on drug charges. Since she was arrested in February, U.S. President Joe Biden has faced increasing pressure to bring home detained Americans. Although the U.S. government does not provide figures, there are more than 60 such detainees, according to the James Foley Foundation, named after an American journalist abducted and killed in Syria. The foundation says U.S. citizens ar…