An assassination attempt on former President Donald Trump, speaking at a campaign rally Saturday evening in western Pennsylvania, comes at a high-stakes, highly volatile moment in American politics. The FBI is investigating the shooting – which pierced Mr. Trump’s right ear, killed a spectator, and critically wounded two others – …

Former president Donald Trump was rushed offstage with blood dripping down his face Saturday after a shooting that the authorities called an assassination attempt. One attendee was killed, and two others were critically injured at the campaign rally, the Secret Service said, a shocking turn in a tense election season …

It has been the Secret Service’s protocol for more than a half-century since the assassination of John F. Kennedy — survey and secure all nearby structures to prevent gunfire from reaching a president or anyone else under the agency’s protection. But somehow on Saturday, a 20-year-old Pennsylvania man was able …