By Diego Ore CARACAS (Reuters) – Venezuelan leader Nicolas Maduro said he will travel to New York this week for his debut appearance as president at the United Nations General Assembly despite “racist” editorials against him in major U.S. newspapers. The socialist-run country is poised to gain a temporary seat on the U.N. Security Council in 2015-16 thanks to unanimous backing around Latin America and the Caribbean. The United States is unhappy with that but is not seeking to scupper it, diplomatic sources say. …