Russian President Vladimir Putin phoned his US counterpart, Barack Obama, Friday to discuss the tenuous situation in Ukraine. The two leaders have been at cross-purposes about what happens next. Putin assured the US president hat he is not planning any further military moves after annexing Crimea. According to the White House, the Russian leader called to discuss an American proposal "for a diplomatic resolution to the crisis." The two presidents agreed that their respective top diplomats "would meet to discuss the next steps."