Neal Katyal on the special counsel's "break glass in case of emergency" option: If an A.G. or a president were to try to squelch a special counsel from testifying, the special counsel could resign and then testify. (This appears to be Rep. Nadler's expectation.) pic.twitter.com/RZxmxqb1hz— Maddow Blog (@MaddowBlog) May 9, 2019