"In layman's terms for the American people, this is not something that we believe will have a major shock to the system," Obama said during a news conference with Brazilian President Dilma Rousseff at the White House.
"But obviously it's very painful for the Greek people, and it can have a significant effect on growth rates in Europe."
If a deal is not reached between Greece and its creditors in the coming hours, Athens would default on a loan to the International Monetary Fund, a move that could trigger an exit from the euro zone and knock the European economy.
Obama said if Europe's economies are affected, that would tarnish the rest of the world .... http://www.reuters.com