State Department spokeswoman Tammy Bruce has said it’s time for the two nations to come up with their own proposals to resolve the conflict The US will no longer serve as mediator in negotiations between Russia and Ukraine, State Department spokeswoman Tammy Bruce has said. Speaking at a regular press briefing on Thursday, she stated it was time for the two parties to propose their own solutions and engage in direct talks. Trump had previously pledged to end the Ukraine conflict “within 24