Earlier this year reporter Judith Miller was jailed for refusing to name the US-government source who identified a member of the US Central Intelligence Agency (CIA), Valerie Plame.
Valerie and Julie dont know each other
( z1 know :polarity - :ARG0 ( z2 and :op ( z3 person :name ( z4 name :op "Valerie" ) ) :op ( z5 person :name ( z6 name :op "Julie" ) ) ) :ARG1 z2 )