<p>Abseiling lesbians! Queers in classrooms! Perverts panicking parents!<br>Thatcher's Section 28, which banned the 'promotion' of homosexuality in schools, was the landmark legislation that silenced a generation, offered a global blueprint for LGBTQ+ oppression and galvanised a movement.<br>Billy Barrett and Ellice Stevens's After the Act is a funny, camp and unapologetically queer musical about how a moral panic gripped a na...