Actor Rob Lowe tweeted text from a document released by the Clinton Library pertaining to his former show “The West Wing.”

In 2000, Samuel Berger remarked that there was no character on The West Wing corresponding to his position as National Security Adviser. A person responding to Lowe seemed to recall that there was a character on the show with that job:

Lowe replied that a National Security Adviser was added to the show’s second season as a result, and joked about the reason (at least we think it’s a joke):

Lowe then made a related comment on events today in Ukraine: