Mrs . Hillary Clinton and John McCain back federal gas - tax holiday . President Barack Obama says it will do more harm than good . North Carolina Gov . Mike Easley endorses Clinton . The senator from New York said she 'd make up for the lost revenue with a `` windfall profits tax '' on oil companies , meaning their profits over a certain amount would be subject to a 50 percent tax . McCain in Florida as part of weeklong health care tour .
Mrs . Hillary Clinton and John McCain back federal gas - tax holiday . President Barack Obama says it will do more harm than good . North Carolina Gov . Mike Easley endorses Clinton . McCain in Florida as part of weeklong health care tour .