Clarifying the distinctions between the two main ways that a party can summarize complex, voluminous documents at trial — either preparing exhibits that accurately recapitulate a large amount of information, thereby qualifying as substantive evidence under Federal Rule of Evidence 1006, or using “Rule 611(a) pedagogical summaries” that don’t qualify as substantive evidence and “can be more one-sided in their presentation of the relevant information” — the 7th U.S. Circuit Court …