美国特勤局面临人员短缺、预算拮据和不断变化的威胁,需要现代化。 The U.S. Secret Service faces staffing shortages, budget constraints, and evolving threats, requiring modernization.

Susan Shelley讨论美国特勤局最近面临的挑战, Susan Shelley discusses recent challenges faced by the U.S. Secret Service, focusing on issues such as staffing shortages, budget constraints, and evolving threats to national security. 她强调了该机构在保护官员方面的关键作用及其需要现代化以有效应对当代挑战。 She highlights the agency's critical role in protecting officials and its need for modernization to effectively address contemporary challenges. 该条强调,必须支持特勤局,以确保它能够充分履行其任务。 The article emphasizes the importance of supporting the Secret Service to ensure it can fulfill its mission adequately.