translation.en: Apparently Ellsberg overheard Robert McNamara saying he thought the war was hopeless, even though he was telling the public it was going well, and he became disillusioned about that and decided to leak the truth.
translation.hi_en: ellsberg tho robert mcnamara se bol raha tha ki yeh war hopeless hein, even though voh voh public ke saath bole ki yeh ache jaayega aur voh disillusioned ban gaye aur truth leak karne ke decide kiya