Subhead:Russia lost Pavel Durov, China lost Google, and Ezra Levant says Canada is about to lose Signal, while American lawmakers from both parties are warning that Bill C-22 threatens U.S. national security.# YouTube-embed:MY1h26KcYNo Signal is the encrypted messaging app whose entire selling point is that nobody, not the phone company, not the police, not even the company itself, can read your messages. And Signal is now warning it may leave C…