Morning Brief — Canada Tariffs, Columbus Flock Pause, and AI Cyber Evidence — September 8, 2026

Canada’s retaliatory tariffs take effect, Columbus pauses its Flock license-plate camera use, mortgage teams face fresh lock-pressure from high rates, Better’s shareholder letter exposes the difference between AI platform claims and distribution results, Google releases Gemini 3.8 Flash Cyber with measured security benchmarks, and oil keeps markets focused on inflation.