Lawyers for former national security adviser John Bolton have had talks with the three House committees leading the impeachment inquiry about a possible deposition, according to a source familiar. The top US diplomat to Ukraine, Bill Taylor, told Congress this week that Bolton had expressed concern about a call between President Donald Trump and Ukrainian President Volodymyr Zelensky, according to Taylor's opening statement. read more https://www.cnn.com/2019/10/25/politics/john-bolton-lawyers-impeachment-inquiry/index.html