The unauthorized releases made foreign diplomats, business leaders and other information sources "reticent to provide their full and frank opinions and share them with us," Undersecretary of State for Management Patrick Kennedy said.

"Every single embassy" was affected, said Kennedy, who warned about long-term consequences of Manning's 2010 leaks to the anti-secrecy website WikiLeaks.
The releases will have "a chilling effect that will go on for some time" by cutting off information that political leaders need to make foreign policy decisions, he noted.

Kennedy testified at the sentencing hearing for Manning, who was convicted last week on criminal charges that included espionage. The hearing is to help the court-martial determine how long the private first class should be in prison.

Kennedy was part of a panel that assessed the damage Manning caused to US foreign relations by releasing more than 700,000 classified documents and videos. At one point, then-Secretary of State Hillary Clinton spoke out publicly in defense of her colleagues who sent the messages, which are known as diplomatic cables.

Attorneys for Manning quoted other US government officials including former Defense Secretary Robert Gates downplaying any fallout from the releases.


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