President Obama spoke with Japanese Prime Minister Naoto Kan this evening from Air Force One.  This was their third telephone conversation since the earthquake and tsunami struck Japan on March 11.  The President reiterated that the United States is determined to support the people of Japan in their efforts to deal with the devastating effects of this tragedy, both in the short and the long term.  Prime Minister Kan thanked the President for the extensive U.S. help in the response effort.  The two leaders reaffirmed the importance of close U.S.-Japanese cooperation in dealing with the ongoing nuclear emergency.