
Sub-Lt. Jeffrey Paul Delisle arrives at Nova Scotia provincial court for a sentencing hearing in Halifax, Canada on Friday, Feb. 1. Delisle, convicted of selling military secrets to Russia, becomes the first person to be sentenced under Canada's Security of Information Act. (Associated Press)

Secretary of State John Kerry holds a bilateral meeting with Canadian Foreign Minister John Baird on Feb. 8, 2013, at the State Department in Washington. (Associated Press)

Secretary of State John Kerry holds a bilateral meeting with Canadian Foreign Minister John Baird on Feb. 8, 2013, at the State Department in Washington. (Associated Press)

** FILE ** Work has begun on the Keystone XL Pipeline near Winona, Texas, but whether it will ever carry oil sands from central Canada to Gulf Coast refineries awaits a decision by President Obama. (Tyler [Texas] Morning Telegraph via Associated Press)

** FILE ** Work has begun on the Keystone XL Pipeline near Winona, Texas, but whether it will ever carry oil sands from central Canada to Gulf Coast refineries awaits a decision by President Obama. (Tyler [Texas] Morning Telegraph via Associated Press)

The household penny jar seen here Monday, Feb. 4, 2013, in Montreal, may soon become a thing of the past. The phasing-out of the penny will begin Feb. 4, 2013 with the Royal Canadian Mint officially ending its distribution of one-cent coins to Canada's financial institutions. Retailers will round consumer cash transactions to the nearest nickel. (AP Photo/The Canadian Press, Ryan Remiorz)

President Obama visited the TransCanada Stillwater Pipe Yard in Cushing, Okla., in March. Embarking on a second term, he faces mounting pressure on a decision he put off during his re-election campaign: whether to approve the proposed Keystone XL oil pipeline between the U.S. and Canada. (Associated Press)

United States' Graham Zusi (7) holds off Canada's Russell Tiebert (11) in the first half of an exhibition soccer match Tuesday, Jan. 29, 2013, in Houston. (AP Photo/Pat Sullivan)

United States' Graham Zusi (7) holds off Canada's Russell Tiebert (11) in the first half of an exhibition soccer match Tuesday, Jan. 29, 2013, in Houston. (AP Photo/Pat Sullivan)