ALBANY, May 2 - It did not take long for the editor in chief of the Middlebury College weekly student newspaper, The Middlebury Campus, to resign and apologize for publishing a doctored photograph in the March 17 issue portraying the college's next commencement speaker, Rudolph W. Giuliani, as Adolf Hitler. But if she had the chance to do it over, Andrea Gissing, the former top editor who has taken "full responsibility" for the sardonic portrait of New York City's former mayor, said she might publish the piece again. "I had spent a lot of time thinking about the illustration, going...