Thursday's Headlines: Two U.S. Olympic swimmers prevented from leaving Brazil by authorities

Americans sweep medals in 100-meter hurdles; Tourists really don't know how to fit in at Rio's famous beaches ; Trump's new campaign chief likely to amplify his nationalist message; Trump aides: Candidate felt ‘boxed in’ and ‘controlled’ by people who barely knew him; 4 Pinocchios for Trump’s claim that Clinton lacks the 'stamina' to be president;   The morning's most important stories, selected by Post editors   Top Stories Two U.S. Olympic swimmers prevented from leaving Brazil by authorities Jack Conger and Gunnar Bentz were removed from their flight to the U.S. as Brazilian authorities continued their investigation into a report that four U.S. swimmers were robbed at gunpoint over the weekend. Ryan Lochte, who has returned to the U.S., has changed some of the details he had previously shared about the incident. A Brazilian judge had ordered seizing the passports of Lochte and teammate James Feigen, who was still in Brazil, according to a media report. By Dom Phillips and Dave Sheinin  •  Read more » Americans sweep medals in 100-meter hurdles Brianna Rollins, Nia Ali and Kristi Castlin completed a stunning seven-medal day for USA Track and Field. By Barry Svrluga  •  Read more »   Tourists really don't know how to fit in at Rio's famous beaches The beaches of Rio are governed by intricate protocols: Where to sit, what to eat, how to interact with your fellow half-naked man. Those visiting for the Olympics are bound to end up breaking some rules. By Joshua Partlow  •  Read more »   Trump's new campaign chief likely to amplify his nationalist message Breitbart News, the website run by Donald Trump's new campaign chief executive, Stephen Bannon, has become a champion of Trump's candidacy in part because Bannon believes it represents a cause much bigger than a political race. Bannon sees Trumpism as part of a global movement that will continue no matter who is sitting in the Oval Office next January, those close to him say. By Karen Tumulty and David Weigel  •  Read more »   Trump aides: Candidate felt ‘boxed in’ and ‘controlled’ by people who barely knew him Donald Trump has privately told friends that he was unsure whether he was being given candid assessments of news stories and of the campaign's management. By Robert Costa, Jose A. DelReal and Jenna Johnson  •  Read more »   4 Pinocchios for Trump’s claim that Clinton lacks the 'stamina' to be president Donald Trump raises questions about Hillary Clinton's health based on debunked Internet rumors. By Glenn Kessler  •  Read more »   ADVERTISEMENT   Opinions   I've always voted Republican. Until now. By Daniel Akerson  •  Read more »   Bernie Sanders's socialist hankering for a lakefront view By Charles Lane  •  Read more »   If you thought the old Donald Trump campaign was wild and crazy, just wait By E.J. Dionne Jr.  •  Read more »   Make the most of your brief time on Earth By Garrison Keillor  •  Read more »   Many public officials must share their tax returns. Why not the president? By Mark A. Patterson  •  Read more »   America deserves answers on Manafort's global money trail By Editorial Board  •  Read more » ADVERTISEMENT   More News   Disclosure of NSA exploits could threaten cybersecurity worldwide With the mysterious release of a cache of NSA hacking tools over the weekend, the agency has lost an edge, experts said, and potentially placed at risk the security of large companies and government agencies across the globe. By Ellen Nakashima and Andrea Peterson  •  Read more » Iraqi man says suspect in murder of N.Y. imam struck him in crosswalk David Hunter, who came to the U.S. from Iraq, said an SUV driven by Oscar Morel knocked him to the ground and left him bruised. Morel first was charged with hit-and-run, then later accused of killing Maulama Akonjee and his assistant. By Abigail Hauslohner and Alice Crites  •  Read more » A child's stunned, bloodied face sums up Syrian horror A video shows the boy after he was pulled from rubble in Aleppo, a city devastated by constant bombing over the past five years. By Sarah Larimer  •  Read more » Prison factory made faulty helmets for troops and no one was prosecuted More than 149,000 U.S. military helmets made by Federal Prison Industries were recalled or quarantined, according to investigators who detailed the use of degraded armor and preselection of helmets for inspection to ensure approval. By Dan Lamothe  •  Read more » Documents from the Clinton email investigation might be made public Senate Judiciary Committee Chair Charles E. Grassley said a "substantial amount" of the information appears unclassified, including a summary of agents' interview with top Hillary Clinton aide Huma Abedin. By Matt Zapotosky  •  Read more »         Share Today's Headlines:       Twitter      Facebook Trouble reading? 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