IS IT a giant game for adults organized by a secretive company, or something far bigger? That is the premise of Dispatches from Elsewhere , a new series from US cable network AMC that is inspired by a true story. Once a classic movie channel, AMC thrived when it shifted its focus to original programming– it is the home of Mad Men , Breaking Bad and The Walking Dead . Now, it wants to make sure that it remains relevant in a scripted content landscape that has expanded exponentially in recent years. Like others in the field, AMC is taking a risk on a once-unlikely TV project that will require viewers to invest time and energy to decipher it. So far, Dispatches , which debuts on March 1, is 10 episodes long. “The whole landscape changed,“ says Mark Friedman, the showrunner for “Dispatches,“ which stars Oscar winner Sally Field, Oscar nominee Richard E. Grant and Andre Benjamin (Andre 3000 from the hip-hop duo Outkast). “You couldn’t have done a show like this 10 years ago, but no...