By: Dominic Jones
If you've ever attended a Star Wars Celebration, Comic Con, or similar event, you know that guest cancellations happen at almost every single one. Usually it's because of work commitments or for unexpected personal reasons. However, for Rogue One: A Star Wars Story star Riz Ahmed, who had to cancel his appearrance at last April's Star Wars Celebration Chicago, the reason was very different and one that everyone should be outraged about.