SSA's DeNike says Port of Long Beach's extension of free time was unfair.
Terminals should be blamed for labor shortages on West Coast, union officials say.
Pacific Maritime Association says slowdown is crippling ports of Tacoma and Seattle.
Ports, airports and railways ready to implement winter contingency plans.
Belgian port reports record growth thanks to container and liquid bulk sectors.
Railway and intermodal provider set records for revenues and earnings in 2014.