AP Photo/Charles Dharapak
President Barack Obama is greeted on his arrival in Toronto, Friday, June 25, 2010, for the World Summit.
AP Photo/Facundo Arrizabalaga, pool
Britain's Prime Minister David Cameron, left, is greeted by Canadian officials as he arrives in Toronto, Canada, Thursday, June 24, 2010, to attend the G8 and the G20 meetings.
Cameron steps into a potential hornets' nest of trans-Atlantic conflict when he makes his global debut this week at the G-20 summit in Canada, with tensions over Afghanistan, Europe's debt crisis and the BP oil spill gaining in intensity.
AP Photo/Lefteris Pitarakis
Britain's Prime Minister David Cameron, right, talks with Italy's Prime Minister Silvio Berlusconi during their meeting at the Deerhurst resort, near Huntsville, Ontario, Canada, Friday, June 25, 2010. World leaders, facing serious differences over the best way to nurture a fragile global recovery, are agreeing to disagree in a variety of key areas.
AP Photo/Lefteris Pitarakis
Britain's Prime Minister David Cameron addresses the troops on board the British Royal Navy's HMS Ark Royal carrier, in Halifax, Canada, Thursday, June 24, 2010. Cameron made a short stop to visit the carrier, while on his way to Toronto and Deerhurst to attend the G8 and G20 summits.
AP Photo/Carolyn Kaster
A march for Indigenous rights and against the upcoming G8 and G20 Summits moves through the streets of Toronto, Thursday, June 24, 2010. Protesters are approaching a line of law enforcement.
AP Photo/The Canadian Press, Jacques Boissinot
A group, including Canadian Indians led by John Fox, center right, walk from the Ontario legislature on Thursday, June 24, 2010, in Toronto, Canada, during a protest involving issues from the upcoming G8 and G20 meetings.
AP Photo/Lefteris Pitarakis
Britain's Prime Minister David Cameron, center, takes a tour on board British Royal Navy's HMS Ark Royal carrier, in Halifax, Canada, Thursday, June 24, 2010. Cameron made a short stop to visit the carrier, while on his way to Toronto and Deerhurst to attend the G8 and G20 summits.
AP Photo/The Canadian Press, Paul Chiasson
Abdelaziz Bouteflika, President of Algeria, arrives at the airport in Toronto, Canada, to participate in the G-20 Summit.
AP Photo/Gerry Broome
President Dmitry Medvedev of Russia and his wife, Sveteana, arrive in advance of the G8 and G20 Summit at Pearson International Airport in Toronto, Thursday, June 24, 2010.
