Drive-In is country’s last showing 35 mm films every weekendBy CHRISTINA TATU, The (Allentown) Morning CallJuly 2, 2019 GMTLEHIGHTON, Pa. (AP) — As cars roll into the Mahoning Drive-In Theater and wait for the sun to go down, Jeff Mattox loads the first reel of 35 mm film onto a Simplex E7 projector...