Dr. Drew Pinsky Says He Is "Gravely Concerned" About Hillary Clinton’s Health, page-36

Nope, not a valid objection in the way that Trump portrays it.

"The general-election debate schedule was announced seven months before the NFL released its 2016 regular-season schedule."

Finding a date that doesn't conflict with the footy is hard. "As a point of reference, in a four-year period, there are four general-election debates (three presidential and one vice-presidential), and approximately 1,000 NFL games."

https://www.washingtonpost.com/news...he-presidential-debates-and-the-nfl-schedule/