President Donald Trump has waived the Jones Act for 60 days to mitigate supply disruptions resulting from conflict in the Middle East. This raises a fundamental question: why do policymakers regularly suspend this law during emergencies yet leave it in place the rest of the time?The Jones Act is an antiquated 106-year-old law officially known as the Merchant Marine Act of 1920 that places draconian restrictions on the use of ships to transport goods within the United States. According to White House Press Secretary Karoline Leavitt, the waiver allowing the use of foreign vessels to transport goods “will allow vital...