washington u.s. treasury secretary steven mnuchin raise issue defense spend trip ottawa friday senior u.s. treasury official say early week canada unveil plan bulk military amid doubt could continue rely unite state world foremost global leader nl1n1j418r expect cover issue relate defense spend saw course canada recent announcements last couple days senior treasury official say conference call reporters thursday president donald trump scold nato ally include canada spend enough defense far decline personally affirm alliance mutual defense doctrine ottawa mnuchin schedule hold bilateral meet canadian finance minister bill morneau deputy national security adviser dina powell accompany mnuchin trip treasury say official speak condition anonymity also say mnuchin would raise trade issue canadian counterpart tensions traditionally close ally rise trump administration accusations unfair trade practice northern neighbor unite state canada soon begin talk renegotiate north american free trade agreement nafta mexico also member pact friday talk unite state want get sense canada thoughts time issue trade start negotiations senior treasury official say canada already odds unite state dairy subsidies well export lumber airliners mnuchin expect raise tax reform financial regulation counter terrorist finance part discussions senior treasury official add u.s. treasury 's mnuchin bring defense ottawa trip u.s. official