BusinessWeek: Republican U.S. Senate candidates largely agreed on major issues during a debate Tuesday, but they spared no opportunity to criticize nuanced differences in how they finance their campaigns. Former Attorney General Kelly Ayotte, businessmen Bill Binnie and Jim Bender, attorney Ovide Lamontagne and former stockbroker Dennis Lamare participated in the debate at Franklin Pierce University in Rindge. The candidates all called for repealing what’s left of federal stimulus funds, …