Welcome to Bull Street Buzz — Monday, April 13th 2026, 12:11am — An AI started and employed an entire store with $100,000. It screwed up with staffing on day one. - Business Insider — Experimental Drug Can Reverse Osteoarthritis in Weeks, Animal Research Shows - ScienceAlert — ‘Close to midnight’: Alleged Sam Altman firebomber wrote of fears AI would end humanity - San Francisco Chronicle — Cathie Wood buys $11 million of tumbling megacap tech stock - thestreet.com — ‘A big slap in the face’: San Francisco protesters rally at Philz over Pride flags - San Francisco Chronicle