Few presidential candidates enjoyed better press than Barack Obama in 2008. He reciprocated by promising unprecedented "openness in government" and a new era of transparency.

He has fallen far short of the promise. This administration has prosecuted more whistle-blowers for leaks and gone after more journalists than any of its predecessors.

In a report last year, Leonard Downie, the former executive editor of The Washington Post, said the administration's efforts to crack down on information seeping to journalists is "the most aggressive" since President Richard Nixon was in office.