In memory of the late Rob Reiner, we’re revisiting two of his best-beloved films: This week, it’s Allana Harkin’s 2017 celebration of When Harry Met Sally, the romantic comedy that gave us Billy Crystal and Meg Ryan and Carrie Fisher and Bruno Kirby at their most effortlessly charming – and minted Nora Ephron as a genre-defining screenwriter. Your genial host Norm Wilner had forgotten all about the massive rainstorm halfway through the episode.