EXCLUSIVE POLL: Olivia Chow leads Brad Bradford by nearly 10 points, Chris Alexander a distant third  CTV NewsToronto mayoral race is closest for an incumbent in decades. Here’s what latest polls say  Toronto StarBradford closing in on Chow in Toronto mayoral race: new research  National PostChow leads Toronto’s mayoral race by 6 points as campaign enters final month: poll  CBCOlivia Chow is still in the lead ahead of October’s mayoral election, but her approval rating has slipped  Toronto Life