Bradley Manning's letter, entitled The Next Stage of My Life, was signed with a handwritten signature in the name of Chelsea Manning.
The letter was broadcast on NBC's Today show as Manning's lawyer revealed the soldier's desire to live life as a woman.
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Angry local residents had petitioned the government against the closure of a public beach outside the monarch's property.
Shira Banki, 16, died on Sunday of stab wounds sustained when an ultra-Orthodox Jew attacked a Gay Pride parade in Jerusalem.
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