SSA's DeNike says Port of Long Beach's extension of free time was unfair.
Pacific Maritime Association says slowdown is crippling ports of Tacoma and Seattle.
Terminals should be blamed for labor shortages on West Coast, union officials say.
Port director's tenure has seen projects to deepen harbor, raise Bayonne Bridge, expand marine terminals and intermodal rail.
Hueneme CEO says port could offer relief valve for congestion.
Consensus shows better growth than other parts of world.