government maintains tight control over broadcast media; state-owned Cameroon Radio Television (CRTV), broadcasting on both a TV and radio network, was the only officially recognized and fully licensed broadcaster until August 2007 when the government finally issued licenses to 2 private TV broadcasters and 1 private radio broadcaster; about 70 privately owned, unlicensed radio stations operating but are subject to closure at any time; foreign news services required to partner with state-owned national station (2007)