US President Barack Obama’s diplomacy is about to get a stern test in Russia, home of a wary public, a two-headed leadership and a lingering bit of hard feelings. According to AP, Obama arrives in Moscow on Monday for a full-scale two-day summit, the first of its kind since the early part of the George W. Bush presidency. He is sure to emerge with tangible signs of progress – including another step toward the world’s two largest nuclear powers reducing their arsenals.

But what much of the world will watch for are signs of Obama’s relationship with Russia’s two leaders, President Dmitry Medvedev and his mentor, Prime Minister Vladimir Putin.
Both sides are talking of improving their ties and wanting to show some early results.