Senator seeks to change the "build America" requirement for Jones Act ships.
Longshoremen are planning rallies tomorrow in Los Angeles and Tacoma.
Port of Long Beach CEO said ports are in a "perfect position" to play this role.
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.