As Donald Trump took to Truth Social Thursday to break his so-called silence and rail against political foes and journalists, President Joe Biden issued a tongue-in-cheek reminder about a historically odd comment from the former president. Biden’s reminder comes as he faces a backlash for a poor debate performance that raised concerns about his mental fitness — concerns similar to those raised when Trump warned of battery boat shark attacks and praised fictional serial killer Hannibal Lecter as a “wonderful man.” “Five years ago today,” the Biden-Harris campaign wrote on X, “a confused Trump c…