ottawa senior canadian officials meet several time advisers u.s. president-elect donald trump washington effort avert possible trade war take office month globe mail newspaper say monday trump vow election campaign either scrap renegotiate north american free trade agreement canada mexico say two-decade old deal bad american workers could disastrous consequences canada send 75 percent export unite state globe say gerald butt katie telford prime minister justin trudeau two top aid meet trump son-in-law jar kushner chief strategist steve bannon believe establish decent relationship paper cite one official say trump administration believe free trade could pose challenge canada trump team think basic problem world china steal bunch american manufacture job hell-bent get back official say trudeau spokesman cameron ahmad ask report say meet indeed happen every level give detail trump transition team immediately respond request comment report canada trade minister press potential impact trump presidency say last friday question separate two nations economies video address last week new u.s. congress trudeau stress closeness link canadian u.s. economies trump republican election november take office jan. 20. top canadian officials meet trump team trade talk paper