India, May 20 -- If you believe the internet, then you would know that Christopher Nolan - the man they called the Spielberg of his generation - is butchering Homer's Odyssey. In reality, the auteur is adapting the ancient Greek epic for the big screen. The Odyssey, set to release later this year, has been fully filmed with IMAX cameras and is touted as one of the most anticipated films of the year. But weeks before its release, the buzz is around its casting. Kenyan-Mexican actor Lupita Nyong'o has been cast as Helen of Troy, while rapper Travis Scott appears as a poet. These two castings have been criticised online as 'diversity hires', with many questioning the 'race-swapping' casting of Helen and the presence of a black rapper in anci...