“Migration is a right,” read the handkerchiefs held by two women at a demonstration in the Argentine capital for migrants’ rights. At left is Natividad Obeso, a Peruvian who came to Buenos Aires in 1994, fleeing political violence in her country. CREDIT: Camilo Flores / ACDHBy Daniel GutmanBUENOS AIRES, Jul 27 2023 (IPS) Remi Cáceres…