12 reactions | On Nov. 4, 1979, more than 60 American diplomats, Marines and civilians were taken hostage at the American Embassy in Tehran. The next 444 days resulted in what was arguably the most consequential foreign policy debacle of the second half of the 20th century. From award-winning filmmaker Robert Stone, American Experience | PBS's two-part, four-hour "Taken Hostage" documentary premieres Monday and Tuesday night at 9 p.m. ET on GBH-2: to.pbs.org/3E6EUJx | GBH | Facebook