When the FBI said this week that Iran had tried to provide Democrats with material stolen from Donald Trump’s campaign, it was only the latest allegation of foreign interference with the U.S. election.The 2024 presidential campaign is encountering a spate of efforts by adversaries to weaken faith in the outcome and potentially alter the results. While much of the attention has been focused on Iran, Russia is still seen as the biggest threat.Related video above: Government Officials Address Efforts to Cast Doubt on Election ResultsThe Biden administration has moved aggressively in recent weeks to call out the operations in hopes of alerting Americans so they remain vigilant to wide-ranging, often hidden, foreign efforts to influence their views on hot-button social issues as well as the candidates.A look at the latest development and broader concerns about foreign election meddling:What Iran is alleged to have doneIranian operatives stand accused of hacking the …