That “freedom of speech” argument connected to security clearances is strange. How are the two even related? Brennan can go out and disrespect President Trump the same as he had been. Jerking that clearance away sure made Brennan and angrier blabber mouth.
It seems like the first amendments is pulled out every time a liberal or other malcontent doesn't get their way. The whole amendment consist of less than 50 words and the first five words make clear that it only prohibits Congress' law making power. There is no restriction on the President, private business, or individuals in conducting their lawful activities. Even the courts have been consistent on this.