Aso 's approval rating at 9 percent , the second lowest ever for a Asian PM . Aso is first head of state hosted by Obama administration . Congress will give his second address to joint session of Congress one hour .
Aso 's approval rating at 11 percent , the second lowest ever for a Japanese PM . Aso is first head of state hosted by Obama administration . Obama will give his first address to joint session of Congress hours later .