Russia vetoed U.N. call for sanctions on China ; China went along . Lopez : The veto is effort to keep U.N. from imposing sanctions , period . Russia believes the U.N. must be limited in its response to crises , he writes . George Lopez : China , Russia want to curb Arab League 's ability to promote peace , human rights .
Russia vetoed Arab League call for sanctions on Syria ; China went along . George Lopez : The veto is effort to keep U.N. from imposing sanctions , period . Russia believes the U.N. must be limited in its response to crises , he writes . Lopez : China , Russia want to curb U.N. 's ability to promote peace , human rights .