US President Barack Obama and Dallas Mayor Mike Rawlings discussed the first Ebola case diagnosed on American soil and the president pledged full support to prevent the disease from spreading.'The president called to make sure the mayor was getting the resources he needed from the federal government including the Centers for Disease Control to treat the patient safely and control this case so that it does not spread widely' Xinhua quoted a statement issued by White House spokesman Eric Schultz Thursday as saying. The President pledged that federal agencies would remain in close coordination and reiterated his confidence in America's