A new report from the federal Government Accountability Office (GAO) outlines the U.S. Secret Service's security failures during the first attempted assassination of then-presidential candidate Donald Trump at a campaign rally in Butler, Pa., one year ago. The report, ordered by Senate Judiciary Committee Chairman Chuck Grassley, R-Iowa, reveals that the Secret Service received classified intelligence regarding a threat to Trump’s life 10 days before the rally, but failed to share the information with other key agencies. It also identified a series of procedural and planning mistakes, including "misallocation of resources, lack of training and pervasive communication failures" that led...