U.S. President Barack Obama (L) meets with Russian President Dmitry Medvedev before they sign the landmark treaty to make new reductions in their nuclear arsenals in Prague, capital of Czech Republic, on April 8, 2010. [Xinhua]
![U.S. President Barack Obama (L) meets with Russian President Dmitry Medvedev before they sign the landmark treaty to make new reductions in their nuclear arsenals in Prague, capital of Czech Republic, on April 8, 2010. [Xinhua]](../../attachement/jpg/site1007/20100409/0019b91ec8450d29174358.jpg "U.S. President Barack Obama (L) meets with Russian President Dmitry Medvedev before they sign the landmark treaty to make new reductions in their nuclear arsenals in Prague, capital of Czech Republic, on April 8, 2010. [Xinhua]")
