Apparently the immediate cause was Comey's misstatement to Congress concerning the source of classified emails found on Anthony Weiner's laptop. The FBI had to correct the statement later.
I'm not certain of my reaction. Comey's performance was uneven but the circumstances he faced were, essentially, unparalleled. Whatever the Director chose to do would be widely unpopular.
And we create a bye-ku for Big Jim, with a hat tip to the form's popularizer, James Taranto.
Goodbye James Comey.
The Director cannot be