TORONTO (AP) — A left-leaning politician popular in liberal downtown Toronto kicked off her campaign Thursday to replace Rob Ford, setting up a showdown with the conservative mayor who vows he will win despite the drug scandal engulfing him.

Olivia Chow, who resigned from her Parliament seat earlier this week, made no mention during her speech of the incidents of drug use, drunken public appearances and erratic behavior that have given Ford international notoriety. But she said the mayor has disappointed his city.