Lynch and obama set up :Justification for FISA?
I dont know timing of fisa warrant but I do know intercept of russian ambassador thought to spy talking about kushner wanting to avoid US intelligence with russian equipment might have been enough for a warrant..certainly enough to unmask identity.
Lodi90 has some interesting knowledge on russians and political environment and oligarchs
Putin wants Act to be repealed. This whole escapade could have been to curry favor with putin.