‘Ghostbusters: Afterlife’ review: Director Jason Reitman calls back to the original while adding a teenage twist

Happily, the kids are the very talented Mckenna Grace (“Gifted,” “The Handmaid’s Tale”) and “Stranger Things'” Finn Wolfhard, the grandchildren of Egon Spengler (originally played by the late Harold Ramis). Egon has died, leaving...