“The letter, which was first reported by the New York Times, as well as internal White House communications before Comey’s ouster, could now become key evidence for Mueller as he examines whether the Comey firing was part of an effort to obstruct the Russia investigation.” WaPo: Mueller examining Trump’s draft letter firing FBI Director Comey.

+ “This unit — known as CI — is one of the federal government’s most tight-knit, specialized, and secretive investigative entities. Its 2,500 agents focus exclusively on financial crime, including tax evasion and money laundering.” The Daily Beast: Mueller Enlists the IRS for His Trump-Russia Investigation. (And one expects that this very real audit will be a lot more thorough than the imaginary one Trump referred to during the campaign…)

+ John McCain goes Op-Ed on Trump: “Congress must govern with a president who has no experience of public office, is often poorly informed and can be impulsive in his speech and conduct.”