With a trio of air traffic control equipment failures in little more than a week, Newark Liberty Airport has become the poster child for the problems plaguing the nation‘s airports. The meltdown prompted government and airline officials to take to Sunday morning news talk shows to reassure nervous travelers that flying from Newark is still safe.

U.S. small-business confidence fell for a fourth straight month in April, with the share of owners reporting job openings declining to the lowest level in more than four years, potentially hinting at ...