Fox Searchlight confirmed today that it has scooped up North American rights to A United Kingdom, Amma Asante’s historical drama about forbidden love starring David Oyelowo and Rosamund Pike. The film, which premiered at Toronto and will open the London Film Festival next week, is set for release February 17. Written by Guy Hibbert, A United Kingdom recounts the story King Seretse Khama of Botswana (Oyelowo) and Ruth Williams (Pike), a white woman from London, which…