No, I do not think that it is right to ever charge Dick Cheney with espionage since there is no evidence that he ever tried to be a spy. Dick Cheney was a great vice president for George W. Bush, and that is all he ever was, just a vice president.
Dick Cheney as the former vice president has access to information that the press would only dream to know about. His desire to let leak the information that he did could very well have been a plan set forth by the president of the United States. This information of course would never be made public. Without knowing all of the details as to whether or not Dick Cheney was ordered to release information or not, it would not be right to charge him..