QCOSTARICA (Confidencial) On Friday, February 16, Costa Rican authorities extradited Douglas Perez to Nicaragua. Perez, known as Douglas Alvarez or by his alias "Relámpago" ("Lightning") is a former member of the "contra", or Nicaraguan Resistance, and one of two opposition figures wanted by the Daniel Ortega-Rosario Murillo regime. The regime accuses Alvarez of participating in…