David Wong's essay, he states that "there is no single true morality

David Wong's essay, he states that "there is no single true morality."  By contrast, Mary Midgley concludes her essay by stating "Morally as well as physically, here is only one world, and we all have to live in it."  Taking these two statements into consideration, argue either in favor of or against moral relativism.  

Should include a summary of Midgley's and Wong's main line of reasoning in support of their positions and should develop a clear argument that supports stance on the question at issue.  Be sure to consider and rebut at least two objections to argument.