Edward Snowden backers beam calls for pardon on Washington news museum

Activists display almost 4,000 notes from backers on the side of the Newseum, an institution celebrating free speech near the White House Edward Snowden has been the subject of several high-profile appeals this year, calling on Barack Obama to pardon the National Security Agency whistleblower and allow him to return home to the US. Writers, intelligence experts, film stars and tech tycoons have all joined the chorus. Related: Intelligence experts urge Obama to end Edward Snowden's 'untenable exi...