Extremism's Olympic moment

As Brazil’s political and economic crisis deepens a senior intelligence official has revealed that the nation is being targeted by Islamic State (IS). From a security perspective the games take on a nationwide threat profile because the football tournament that is part of the Rio games will be played in major cities throughout Brazil, giving the event a FIFA World Cup feeling. The venues include Manaus in Amazonia State, Salvador in Bahia State, Fortaleza in the northeastern state of Ceara...