Welcome to Bull Street Buzz — Monday, April 20th 2026, 4:23pm — Phoenix Sky Harbor International Airport impacted by ground stop due to low visibility - ABC15 Arizona — In its third flight, a Blue Origin New Glenn rocket puts satellite payload into wrong orbit - CBS News — Scoop: NSA using Anthropic's Mythos despite blacklist - Axios — AST SpaceMobile Addresses Today’s Orbital Launch of BlueBird 7 on the New Glenn Launch Vehicle - Business Wire — Tesla’s ‘Robotaxi’ expansion looks like another stock pump before earnings - Electrek