When it comes to meeting the constitutional requirements to seek the nation’s highest office, Donald Trump appears to have all the boxes checked: He’s older than 35; he’s a natural born citizen, and he’s lived in the U.S. longer than 14 years. But Secretary of State John Kerry has just introduced another qualification for the presidency, and it’s one that Trump doesn’t meet. Although it’s not mentioned anywhere in Article 2 of the Constitution, the ability to accept the yoke of leftist groupthink is now a prerequisite for seeking the presidency. Specifically, all candidates must believe in — and confess...