至于解密，在任总统确实有权解密所有文件（涉核除外）。
但是，“机密”字样必须从被解密的文件改掉。
"He had to identify the specific documents he was declassifying, he needed to memorialize the order in writing for bureaucratic and historical purposes, and he needed to have staff physically modify the classification markings on the documents themselves," Moss said. "Until that was done, the documents, per the security classification procedures, still have to be handled, transmitted and stored as if they were classified."

上面抄自PolitiFact的文章。

刚查了一下几个月前下载的《美国韩战计划》（United States Courses of Action with Respect to Korea）。该文件透露：如果苏俄、中共大规模参战，那么美国就马上从北韩撤军——打脸中共的牛皮“收复北韩”。该文件每页的顶部和底部都印有“top secret”，所有都被用笔划去。在首页还有个“解密”印章，有签名和日期。