Final answer:
Cannot determine true or false regarding Potter's editorial addressing Sunstein's claims with provided information; context of editorial and claims is not given.
Step-by-step explanation:
The assertion that most of Potter's editorial is dedicated to addressing Sunstein's claims cannot be evaluated as true or false without a direct and specific reference to the content of Potter's editorial. The provided references do not clearly indicate Potter's focus on Sunstein, nor do they describe the extent of the editorial's engagement with Sunstein's claims. Instead, the given information pertains to different writers and their approaches to various intellectual topics, including discussions of opposing viewpoints, synthesis of information, and response to claims, as seen in the analysis of socialist realism by Petrov.
Without a proper context or clear evidence, it is impossible to definitively answer the student's question regarding Potter's editorial and Sunstein's claims. The descriptions provided, however, do suggest a balanced approach to argumentation and an awareness of rhetorical situations by different authors, which could be seen as analogous to the practice of addressing counterclaims in an editorial.