President Obama visited New Jersey Sunday to help drum up support for Democratic Gov. Jon Corzine, who is seeking to hold onto the state house in a heated campaign against Republican rival Chris Christie. In Virginia, Democrat Creigh Deeds is trailing the Republican candidate by double digits. Both races will be seen as key measures of the Obama administration; the first major opportunity that voters statewide will have to go to the polls since the White House changed hands. The Republican response in New Jersey: the president "should go back to D.C. on Air Force One," Christie told one crowd. Election Day is Tuesday.