Read the resignation letter of national security advisor Michael Flynn

Mi­chael Flynn resigned as Pres­id­ent Trump’s na­tion­al se­cur­ity ad­visor, the White House said, fol­low­ing mount­ing scru­tiny over his con­flict­ing ac­counts of con­tacts with a Rus­si­an dip­lo­mat and re­ports that they were part of a fed­er­al in­vest­ig­a­tion.