PARK CITY, Utah — As President Barack Obama prepared to be sworn in for his second term as the 44th president of the United States, two courageous journalists premiered a documentary at the annual Sundance Film Festival. “Dirty Wars: The World Is a Battlefield” reaffirms the critical role played by independent journalists like the film’s director, Rick Rowley, and its narrator and central figure, Jeremy Scahill. The increasing pace of U.S. drone strikes and the Obama administration’s reliance on shadowy special forces to conduct military raids beyond the reach of oversight and accountability were summarily missed over the inaugural weekend …