ERIE, Pa., April 18 -- Sen. Barack Obama battled rivals on two fronts heading into the final weekend before the Pennsylvania primary, facing ridicule over his toughness from his Democratic rival, Sen. Hillary Rodham Clinton, and tangling over the economy with Republican Sen. John McCain. -
Obama Fights On Two Fronts
ERIE, Pa., April 18 -- Sen. Barack Obama battled rivals on two fronts heading into the final weekend before the Pennsylvania primary, facing ridicule over his toughness from his Democratic rival, Sen. Hillary Rodham Clinton, and tangling over the economy with Republican Sen. John McCain.-
By Shailagh Murray and Perry Bacon Jr.