Talks between Port of Philadelphia employers and the ILA have broken down over staffing issues for larger vessels. That raises the risk of labor disputes during the peak shipping season but shouldn’t jeopardize a wider pay deal which is due to be signed for the whole eastern seaboard this week. The risk is relevant given the rapid expansion in handling at the port, which increased by 12% in the 12 months to July 31. Otherwise the port faces fewer risks than its peers given the low proportion of shipments from China (1% of the total in the past year) that may be exposed to the widening...