Catch up on today's biggest news:
What he's saying: "If that's what happened in a Democratic debate, you know, I think it's quite likely that Trump will chew him up and spit him out."
Lyft has acquired Halo Cars, a small startup that lets ride-hailing drivers earn money via ad displays mounted atop their cars. Lyft confirmed the deal but declined to share any details.
Why it matters: Ride-hailing companies are increasingly eyeing additional ways to generate revenue, and Lyft rival Uber has been quietly testing a partnership with New York-based Cargo that gives it a cut of the advertising revenue, as I previously reported.