>> that's an outrageous claim, sir. and i resent it. what we know about the fbi investigation of donald trump's postmaster general. plus, nbc news confirms a federal investigation of congressman matt gaetz. what does it mean, now that the biden administration says it will treat ransomware attacks as a national-security threat? and today's big announcement on america's actions to help vaccinate the world. >> today, we are announcing our plan for sharing the first 25 million u.s. vaccines with the world. "all in" starts right now. good evening, from new york, i'm chris hayes. it is hard to tell what is more dangerous to american democracy, at the moment. the big lie, or the big delusion. the key question emerging from the alternate reality the right has been constructing, for years, is what to do with the lies the people will, themselves, into believing? now, that question has loomed