On March 11, 1996, Mickey Kantor, the American trade secretary, announced that he was filing a complaint with the World Trade Organization to protest, first, the 80% excise tax on split run magazines under Bill C-103, second, the lower postal rates granted Canadian publications, third, the postal subsidy and, fourth, tariff 9958 making it illegal to import split runs into Canada.
Canadian publications was a concern for Mickey Kantor as American trade secretary and he filed multiple complaints concerning such even though he was one of few who considered them to be a real obstacle to fair trade.
Technically there's no way to prove how many people were concerned with the complaints from the context given but the likelihood of the statement being completely true is high.
( z1 and :op ( z2 concern :ARG0 ( z3 publication :mod ( z4 country :name ( z5 name :op "Canada" ) ) ) :ARG1 ( z6 person :name ( z7 name :op "Mickey" :op "Kantor" ) :ARG0-of ( z8 have-org-role :ARG1 ( z9 country :name ( z10 name :op "America" ) ) :ARG2 ( z11 secretary :topic ( z12 trade ) ) ) ) ) )