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If accurate, the internal polling numbers would still mean that plenty of distance exists between all of the PC leadership candidates and the 50-per-cent support they would need for a first-ballot win. What’s more, the format of the PC leadership contest — where each riding can be worth as much as 100 electoral votes, with those votes parcelled out to candidates based on how they did in that district — means candidates need broad support.

The voting period for the Ontario PC leadership contest begins Friday, March 2, and will run to March 8. Results will be announced on March 10, about three months before the next provincial election on June 7.

The candidates kept busy on Sunday, with Mulroney hinting that she could have some sort of policy coming soon.

Photo by Justin Tang / THE CANADIAN PRESS

“You deserve a vision, and you haven’t heard one yet from any leadership candidate,” Mulroney said in a video that was posted online. “I’m going to give you one, my vision for Ontario, my top five priorities as PC leader, and as premier.”

Mulroney added that she would also “unveil an idea that will prove I’m the only one who can bring serious change to Ontario.”

Mulroney has called on Brown to drop out of the leadership race, which stemmed from his resignation amid sexual misconduct allegations.

Brown denied the allegations, and jumped into the leadership race just hours before the deadline. An approval from a PC nominations committee last week allowed Brown to run for the leadership.