Republicans assail Obama, not each other in debate

MANCHESTER, N.H. — Repub­li­can White House hope­fuls con­demned Pres­i­dent Barack Obama’s han­dling of the econ­omy from the open­ing moments of their first major debate of the cam­paign sea­son Mon­day night, and pledged emphat­i­cally to repeal his his­toric year-old health care overhaul.