Actor Sean Penn expressed his dissatisfaction with US President Donald Trump's decision to appoint Sylvester Stallone, Jon Voight, and Mel Gibson as Hollywood ambassadors. The two-time Oscar winner referred to the move as a "clown show". The 64-year-old also took issue with the Oscars' organizers for their lack of "backbone" in declining an opportunity to host Ukrainian President Volodymyr Zelensky at the 2022 awards ceremony in Los Angeles. When questioned about Trump's trio of high-profile Hollywood ambassadors, he responded to the Oxford Union last week: "Look, clown shows can do great damage but I'm not very interested in them." Penn,...