By Peter Beaumont Senior international correspondent International law experts ‘seriously concerned’ about ‘strikes on schools, health centres and homes’ in contravention of Geneva conventions The US-bombed B1 bridge in Karaj, near Tehran, which was struck on 2 April after Donald Trump threatened to ‘bring Iran back to the stone ages’. Photograph: Atta Kenare/AFP/Getty Images Donald Trump, other senior US officials and their cheerleaders appear to be embracing attacks – and threats of attacks...