During the Nazi occupation of Paris, the Gestapo frequently raided Pablo Picasso’s Left Bank apartment and studio at 7 rue de Grands-Augustins, a few steps from the Seine.On one of the raids, sometime in 1940 or 1941, a Gestapo agent pointed to a photograph of “Guernica,” the Spanish artist’s masterpiece mural depicting the 1937 Nazi firebombing of the Basque town. “Did you do that?” the Gestapo agent asked. “No,” Picasso snapped, “you did.” To understand Mexico national team coach Javier Aguirre, the fighter, the survivor, the dreamer, the savior, the man known to friends and foes alike as “El Vasco”...