McMurtry, a longtime lawyer, became the province's attorney general in 1975 under Progressive Conservative premier Bill Davis.

The three men urged Ontario's Progressive Conservative legislators to break ranks with Premier Doug Ford, who announced Monday he would invoke the notwithstanding clause to override a judge's ruling on legislation concerning the size of Toronto's city council.

The NDP convention in Edmonton has heard lots of talk of whether or not the party will adopt the Leap Manifesto. But what exactly is it?