Former Massachusetts Gov. Mitt Romney on Monday defended his administration’s efforts to cover its electronic tracks with the purchase of hard drives from state computers, saying he had no intention of providing ''opposition research teams'' with electronic communications from his term as governor. Meeting with the editorial board of the Nashua (N.H.) Telegraph, Mr. Romney was questioned about a Boston Globe story (snip) Last week, Romney campaign manager Matt Rhoades accused Mr. Patrick of running a ''dirty tricks''shop for the president’s benefit and requested documents on any contact his administration has had with top Obama White House or campaign operatives.