2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93162Widom, Srivastava, and Sassaroli have published [Phys. Lett. A 203, 255 (1995)] a calculation which purports to show that "future events can affect present events". In this note an error in their calculation is identified.3 pages, LaTeX, no figuresQuantum PhysicsHigh Energy Physics - Theorytext