When it was announced that "Harry Potter and the Cursed Child" would open at the Lyric Theatre in 2018, I confidently expected that the, um, curse that seemed to doom all shows in the cavernous space to financial-flop status would finally be lifted. The show is a commercial juggernaut, after all, and all things Harry […] The post Review: 'Harry Potter and the Cursed Child' retains its magic and its heart appeared f…