Welcome back to another edition of Axios Login. Today's Smart Brevity word count: 1,380 words, a 5-minute read.

Situational awareness: Leaked recordings of Mark Zuckerberg addressing employees in July show a jokier Facebook CEO. If the government sues to break up his company, he says, "if someone's going to try to threaten something that existential, you go to the mat and fight." (The Verge)