The inaugural Doha Film Festival launches Thursday with the official Middle East premiere of Tunisian director Kaouther Ben Hania’s politically charged drama “ The Voice of Hind Rajab ” and a slew of regional premieres, including Steven Soderbergh ’s black comedy “The Christophers” with the director and its star Michaela Coel on hand. Rami Malek, who is the first actor of Egyptian heritage to win the best actor Oscar (for “Bohemian Rhapsody”), is also set to make the trek to the Qatari capital