Obama: Leaders agree Greece must remain in euro zone

President Obama was speaking after a tough day discussing NATO's Afghanistan exit strategy. Credit: AP Photo/Pablo Martinez Monsivais

President Barack Obama says that world leaders agree on the importance of Greece remaining in the euro zone.

Speaking at a press conference following a NATO summit in Chicago, said he believed there was an increased resolve on the part of European leaders to tackle the euro zone crisis.

He also said it was crucial for European banks to be recapitalized and for there to be firewalls to protect countries against financial contagion.