World Cup began in Qatar on Sunday
Secretary of State Antony Blinken to travel to country on Nov. 21
WNBA star's lawyers say whereabouts are unknown
Gathering took place on eve of U.N. General Assembly
Reports indicate meeting to take place Friday
Russian court on Aug. 4 convicted WNBA star of drug smuggling.
Call took place after public acknowledgment of deal to secure U.S. citizens release
Homosexuality punishable by death in kingdom
WNBA star faces up to 10 years in prison
WNBA star detained in Moscow airport in February