In the first major contact between the two nations since the Iranian Revolution, U.S. President Barack Obama and Iranian president Hassan Rouhani speak on the phone -- a possible sign both are serious about reaching a pact on Iran's nuclear program.<br/> <br />The White House tweeted out this photo of Obama on the phone with the Rouhani, after the call.<br/> <br />The Twitter feed believed to be Rouhani's released this photo of the Iranian President on a plane, following his conversation with Obama.<br/> <br />(SOUNDBITE) (English) U.S. PRESIDENT BARACK OBAMA SAYING:<br/> <br />"Just now I spoke on the phone with President Rouhani of the Islamic Republic of Iran. The two of us discussed our ongoing efforts to reach an agreement over Iran's nuclear program. I reiterated to President Rouhani what I said in New York. While there will surely be obstacles to moving forward and success is by no means guaranteed I believe that we can reach a comprehensive solution."<br/> <br />Earlier this week, Obama hoped to meet w
