WAPO reported Flynn/Kislyak call same day Biden unmasked Flynn.

JANUARY 12th, 2017

https://www.washingtonpost.com/opinions/why-did-obama-dawdle-on-russias-hacking/2017/01/12/75f878a0-d90c-11e6-9a36-1d296534b31e_story.html?utm_term=.6ab9df21895e