This week in the Russia investigations: President Trump strikes back at one of his most politically dangerous critics. Will a short-term victory have longer-term costs?
The revocation, Part 1
President Trump made good on his threat to revoke the security clearance held by former CIA Director John Brennan this week, escalating the politics of the Russia imbroglio in an important way.
Trump, whether or not this was his intention, has demoted Brennan from what lawyers might call a "fact witness" to a simple critic.