THE REPORT is an exclusive from Deadline.

Stewart has written the script, and will direct Rosewater, an adaptation of the book Then They Came For Me: A Family’s Story Of Love, Captivity And Survival. Published in 2011 by Random House, the book is Maziar Bahari’s harrowing ordeal of leaving London in June 2009 to cover Iran’s presidential elections. With a pregnant fiance left behind, the BBC journalist expected to be away for a week. Instead, he spent the next 118 days in Iran’s most notorious prison being brutally interrogated by a man he knew only by one thing: he smelled of Rosewater.

John Oliver will guest host while Stewart is gone.

This is a terrific decision for Stewart who hints at a much larger talent than his expansive comedy skills reveal. He’s also shown deep interest in foreign affairs, making sure it’s a part of his show amid the fluff, never backing down from covering a subject no matter how controversial.