WASHINGTON — In filling four senior Justice Department positions Monday, President-elect Barack Obama signaled that he intends to roll back Bush administration counterterrorism policies authorizing harsh interrogation techniques, warrantless spying and indefinite detentions of terrorism suspects. The most startling shift was Obama’s pick of Indiana University law professor Dawn Johnsen to take charge of the Office of Legal Counsel, the unit that’s churned out the legal opinions that provided a foundation for expanding President George W. Bush’s national security powers. Johnsen, who spent five years in the Office of Legal Counsel during the Clinton administration and served as its acting chief, has publicly assailed ‘Bush’s corruption of our American ideals.’ Upon the release last spring of a secret Office of Legal Counsel memo that backed tactics approaching torture for interrogations of terrorism suspects, she excoriated the unit’s lawyers for encouraging ‘horrific acts’ and for advising Bush ‘that in fighting the war on terror, he is not bound by the laws Congress has enacted.’ ‘One of the refreshing things about Dawn Johnsen’s appointment is that she’s almost a 180-degree shift from John Yoo and David Addington and (Vice President) Dick Cheney,’ said Harvard University law professor Laurence Tribe, […]