2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/34563We show that, contrary to the claim in hep-th/0304050, the propagation of a spin-2 field in an electromagnetic background is {\em causal}.Minor correction in an eqn., conclusions unchangedGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorytext