There are principles, and there are details. Actions should be guided by principles. I don’t have to know how to build an interstate to get from New York to California.
Exactly. I really don't care if some candidate has memorized the heads of state of some 200 countries. I care how he will govern based upon his principles. I care if he abides by The Constitution. The rest is media fluff.
His decisions matter, not his mastery of trivia.