What led to Horwath's about-face on vaccines

Plus: Ambler sues PCs over Simcoe-Grey nomination, Coteau finds out if he's going to Ottawa, and birthdays

Good Friday morning. This is Queen’s Park Observer.

ABOVE THE FOLD

SCOOP — There was a mini caucus revolt leading up to ANDREA HORWATH’s about-face over vaccine mandates. The Official Opposition Leader…