You might not have heard of Rosanne Boyland. She made the 10-hour drive from Kennesaw, Georgia, to Washington on 5 January 2021. The next day, the 34-year-old died after losing consciousness in the crush of a mob of Donald Trump supporters as it surged against US Capitol police. She would never have been there, her sister said later, “if it weren’t for all the misinformation”. The tragedy opens Barbara McQuade’s new book, Attack from Within: How Disinformation is Sabotaging America. The NBC News and MSNBC legal analyst explores how the deliberate spreading of lies disguised as truth has been weaponised...