May 4, 2008 -- The Rev. Jeremiah Wright, Barack Obama's loose cannon of a spiritual adviser, stole the wife of a parishioner - after the man sought Wright's help in saving his troubled marriage, the former husband told friends. Delmer Reed, 59, confided to pals that he believed the minister moved in on his wife while Wright was counseling the couple at his Chicago church in the early 1980s, The Post has learned.