The Canadian Press - Federal Election - August 18, 2015
Former Conservative senator Mike Duffy arrives at the courthouse in Ottawa on Tuesday, August 18, 2015. Duffy is facing 31 charges, including fraud, breach of trust and bribery. THE CANADIAN PRESS/Fred Chartrand
Nigel Wright, former chief of staff to Prime Minister Stephen Harper, arrives at the Ottawa courthouse in Ottawa, Tuesday August 18, 2015 to testify at the Mike Duffy trial. THE CANADIAN PRESS/Fred Chartrand
Conservative leader Stephen Harper makes a campaign stop in Toronto on Tuesday, August 18, 2015. THE CANADIAN PRESS/Sean Kilpatrick
A Conservative supporter, who wouldn't divulge his name, expresses his frustrations regarding the Duffy questions asked to Conservative leader Stephen Harper following his announcement in Toronto on Tuesday, August 18, 2015. THE CANADIAN PRESS/Sean Kilpatrick
Conservative leader Stephen Harper reacts to a member in his audience shouting questions as he makes a campaign stop in Toronto on Tuesday, August 18, 2015. THE CANADIAN PRESS/Sean Kilpatrick
NDP leader Tom Mulcair waves as he gets off his bus to speak to media from Benson Creek Falls Regional Park, during a campaign stop in Nanaimo, B.C., on Tuesday, Aug. 18, 2015. THE CANADIAN PRESS/Chad Hipolito
Nanaimo Fire Rescue personnel look on as NDP leader Tom Mulcair speaks to media from Benson Creek Falls Regional Park, during a campaign stop in Nanaimo, B.C., on Tuesday, Aug. 18, 2015. THE CANADIAN PRESS/Chad Hipolito
NDP leader Tom Mulcair shakes hands with Nanaimo Fire Rescue personnel before speaking to media from Benson Creek Falls Regional Park, during a campaign stop in Nanaimo, B.C., on Tuesday, Aug. 18, 2015. THE CANADIAN PRESS/Chad Hipolito
Bloc Quebecois Leader Gilles Duceppe addresses supporters during a campaign stop Tuesday, August 18, 2015 in St-Jerome, Que. THE CANADIAN PRESS/Paul Chiasson
Bloc Quebecois Leader Gilles Duceppe is seen through campaign posters as he addresses supporters during a campaign stop Tuesday, August 18, 2015 in St-Jerome, Que. THE CANADIAN PRESS/Paul Chiasson
Bloc Quebecois Leader Gilles Duceppe greets supporters during a campaign stop Tuesday, August 18, 2015 in St-Jerome, Que. THE CANADIAN PRESS/Paul Chiasson
Bloc Quebecois Leader Gilles Duceppe addresses supporters during a campaign stop Tuesday, August 18, 2015 in St-Jerome, Que. THE CANADIAN PRESS/Paul Chiasson
Liberal Leader Justin Trudeau looks through a microscope at the Vale Living with Lakes Centre during a campaign stop in Sudbury, Ont., on Tuesday, August 18, 2015. THE CANADIAN PRESS/Gino Donato
Liberal Leader Justin Trudeau checks out a experiment at the Vale Living with Lakes Centre during a campaign stop in Sudbury, Ont., on Tuesday, August 18, 2015. THE CANADIAN PRESS/Gino Donato
Liberal Leader Justin Trudeau chats with scientist Nadia Mykytczuk at the Vale Living with Lakes Centre during a campaign stop in Sudbury, Ont., on Tuesday, August 18, 2015. THE CANADIAN PRESS/Gino Donato
Liberal Leader Justin Trudeau greets supporters at the Vale Living with Lakes Centre during a campaign stop in Sudbury, Ont., on Tuesday, August 18, 2015. THE CANADIAN PRESS/Gino Donato
Conservative Leader Stephen Harper makes a campaign stop in Toronto on Tuesday, August 18, 2015. THE CANADIAN PRESS/Sean Kilpatrick
Conservative Leader Stephen Harper makes a campaign stop in Toronto on Tuesday, August 18, 2015. THE CANADIAN PRESS/Sean Kilpatrick
Liberal Leader Justin Trudeau tours Heliene Inc., manufacturer of Canadian-made solar modules, in Sault Ste. Marie, Ont., on Tuesday, August 18, 2015. THE CANADIAN PRESS/Kenneth Armstrong
Liberal Leader Justin Trudeau speaks during a tour of Heliene Inc., manufacturer of Canadian-made solar modules, in Sault Ste. Marie, Ont., on Tuesday, August 18, 2015. THE CANADIAN PRESS/Kenneth Armstrong
Liberal Leader Justin Trudeau tests voltage on the assembly line during a tour of Heliene Inc., manufacturer of Canadian-made solar modules, in Sault Ste. Marie, Ont., on Tuesday, August 18, 2015. THE CANADIAN PRESS/Kenneth Armstrong
Liberal Leader Justin Trudeau greets supporters outside the campaign office of local Liberal candidate Terry Sheehan in Sault Ste. Marie, Ont., on Tuesday, August 18, 2015. THE CANADIAN PRESS/Kenneth Armstrong