2026 will see the United States host several mass gatherings, including the World Cup and the nation’s 250th anniversary. CBS News national security contributor Sam Vinograd says, “there are structural issues that I fear make us more vulnerable to a successful attack.” “That includes the fact that the United States, probably for the first time in our history, is no longer viewed globally as the leader and poster child for rules-based international order,” Vinograd said. “Other actors feel like t