The Las Vegas Metropolitan Police Department (LVMPD) held a gripping press conference on Friday, releasing shocking new details from the investigation into this week’s explosion at Trump Hotel Las Vegas. Authorities unveiled excerpts from texts and notes discovered on the devices of suspect Matthew Livelsberger. Assistant Sheriff Dori Koren took the podium, detailing a chilling manifesto that Livelsberger left behind. The notes, laden with political grievances and existential despair, suggest a man deeply embittered by what he saw as America’s “terminal illness” under “weak and feckless leadership.” In one excerpt from the note application on Livelsberger’s device, he writes: “Fellow...