WASHINGTON — Secretary of State Mike Pompeo spoke Monday to his Russian counterpart about convening the leaders of the five permanent members of the U.N. Security Council to mark the 75th anniversary of the United Nations, the State Department said. The department said Pompeo spoke to Russian Foreign Minister Sergey Lavrov about the possibility of a commemorative event “in the near future” that would involve President Donald Trump and the leaders of Britain, China, France and Russia.