Iowa Sen. Tom Harkin is catching grief for suggesting John McCain’s family history of military service makes the presumptive Republican presidential nominee unfit to be commander-in-chief. Harkin, who has a history of embellishing his own military record, told Iowa reporters last week that McCain’s background as the son and grandson of Navy admirals creates a “dangerous” situation because he can only view the world through the prism of the military. “He has a hard time thinking beyond that,” Harkin said, according to The Des Moines Register. “I think he’s trapped in that. Everything is looked at from his life experiences,...