An excellent, fact-based World War II thriller called Operation Mincemeat is now streaming on Netflix. Starring Colin Firth, Matthew Macfadyen, Jason Isaacs, Kelly Macdonald, Penelope Wilton, Ruby Bentall, Mark Gattiss and Johnny Flynn, the fast-moving, 2-hour drama follows the “war of shadows” fought by British intelligence officers leading to the successful Allied attack on the Nazis…