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World leaders gather in Cannes to deal with euro crisis

As Ronald Reagan used to say, "There you go again."

Back in September, PhotoBlog and Nightly News had fun with the fact that President Obama's wave at the United Nations obscured the face of another leader.

I guess the president didn't get the memo.

Smiles aside, the leaders have a difficult task ahead of them. Full story.

Christophe Karaba / EPA

President Barack Obama (R) German Chancellor Angela Merkel (L) and French President Nicolas Sarkozy (C) react during a family picture, in Cannes, France, November 3. The G20 leaders are in Cannes to discuss the world economic outlook, trade, currency issues and world governance.

Jim Watson / AFP - Getty Images

World leaders pose for a family photo (1st row from L) Equatorial Guinea President Teodoro Obiang Nguema, Brazilian President Dilma Rousseff, Russian President Dmitry Medvedev, Argentinian President Cristina Kirchner, Chinese President Hu Jintao, French President Nicolas Sarkozy, US President Barack Obama, Indonesian President Susilo Bambang Yudhoyono, Mexican President Felipe Calderon, South Korean President Lee Myung-Bak and South African President Jacob Zuma, (2nd row from L) European Commission President Jose Manuel Barroso, EU President Herman Van Rompuy, Australian Prime Minister Julia Gillard, Italian Prime Minister Silvio Berlusconi, German Chancellor Angela Merkel, Turkish Prime Minister Recep Tayyip Erdogan, Indian Prime Minister Manmohan Singh, Canadian Prime Minister Stephen Harper, British Prime Minister David Cameron, Japanese Prime Minister Yoshihiko Noda and Saudi Finance Minister Ibrahim Assaf, (3rd row from L) World Trade Organization chief Pascal Lamy, World Bank president Robert Zoellick, UAE Foreign Minister Sheikh Abdullah bin Zayed al-Nahayan, Spanish Prime Minister Jose Luis Zapatero, Ethiopian Prime Minister Meles Zenawi, Singaporean Prime Minister Lee Hsien Loong, UN leader Ban Ki-moon, IMF chief Christine Lagarde, International Labour Organization chief Juan Somavia and Secretary General of the Organisation for Economic Co-operation and Development Jose Angel Gurria, on November 3 during the G20 Summit of Heads of State and Government in Cannes.

President Obama is at a meeting of 20 world leaders, where he pushed for solving the European financial crisis. NBC's Chuck Todd reports from Cannes, France.