“Smuggled and bootlegged, it has been the cause of transatlantic tensions for more than two decades.  But after 21 years in exile, the haggis is to be allowed back into the United States.  The “great chieftan o’ the puddin-race” was one of earliest casualties of the BSE [bovine spongiform encephalopathy] crisis of the 1980s-90s, banned on health grounds by the US authorities in 1989 because they feared its main ingredient ‑ minced sheep offal ‑ could prove lethal.”