 At first, Caliphate was a triumph for The New York Times. The 10-part podcast series following terrorism correspondent Rukmini Callimachi as she revealed the dark nature of the Islamic State and the zealotry of its members earned her a Pulitzer Prize finalist citation and The Times its first Peabody audio award. The podcast was what longform audio reporting can and should sound like, wrote the Peabody jury. But nearly two years later, the arrest of one of Caliphates central characters has set in motion a troubling new chapter for Callimachi and The Times. The newspaper said it was beginning a review of its ambitious podcast from one of its star reporters, and on Sunday the organizations own media columnist took aim at the reporting and editing decisions of Callimachis work. The key issue for Caliphate is the veracity of the story told by Shehroze Chaudhry, who went by the alias Abu Huzayfah in the podcast and described his participation in barbaric acts, including two executions of hostages while an Islamic State member in Syria in 2014. Last month, Canadian authorities arrested Chaudhry, a Canadian citizen, for allegedly concocting stories of terrorist activities in media interviews, including those he described on Caliphate. His arrest raised new and important questions about him and his motivations, said Times spokeswoman Danielle Rhoades Ha. The media organization was undertaking a fresh examination of his history and the way we presented him in our series. She declined to comment further about the review. Callimachi declined to comment, but said in a tweet that she welcomed her newspapers effort to re-examine the story of Abu Huzayfah. The issues facing Caliphate are the latest in a string of recent controversies involving The Timess reporting and editing. While the newspaper has long... 