A former CIA agent who signed the October 2020 open letter that dismissed The Post’s bombshell reporting on Hunter Biden’s laptop emails as Russian disinformation worked on policy enforcement at Twitter as recently as last year and did not disclose her role to Congress, new “Twitter Files” reporting shows. Nada Bakos alerted her senior policy team — including now-former Twitter head of trust and safety Yoel Roth — that her photograph was one of 20 on The Post’s March 19, 2022, cover highlighting 51 former intelligence officials who cast doubt on the authenticity of the laptop, according to an email...