A week has passed since Amy Gertner took a walk through the Maine countryside and recorded a video message offering a staunch, if weary, defence of her husband, US Senate candidate Graham Platner. A few days earlier, both The New York Times and The Wall Street Journal had published reports that Platner had sent sexually explicit texts to several women in the early stages of their marriage, in 2023. The information had been shared by Gertner with the Democratic campaign as part of a confidential campaign disclosure.Over the course of a year the 41-year-old, denim-wearing marine veteran and oyster farmer...