Aid to hurricane-ravaged Puerto Rico can only be delivered by air or ocean vessel. However, the effort to bring relief has been further hampered by the Jones Act.For more than a week, television news programs have been filled with pictures of the devastation in Puerto Rico left by Hurricane Maria, the strongest storm to hit the U.S. territory in modern history. Maria battered the island with catastrophic 150 mile-per-hour winds and torrential rains that knocked out power and cell phone service for virtually the entire island and its population of over 3 million. Countless homes and buildings were severely damaged or destroyed by the winds and flooding, leaving a significant portion of the population without shelter. Those hospitals st...