A contract covering longshore workers on the East and Gulf Coasts will expire at the end of September, but talks have been stalled over the use of equipment that can function without human operators. Ports, Productivity, Strikes, Organized Labor, Driverless and Semiautonomous Vehicles, Ships and Shipping, Derricks and Cranes, Layoffs and Job Reductions, Freight (Cargo), International Longshoremen’s Assn, Maersk Line, Pacific Maritime Assn, United States Maritime Alliance, East Coast (US), Gulf Coast (US), Norfolk (Va), Mobile (Ala), Daggett, Harold J A contract covering longshore workers on the East and Gulf Coasts will expire at the end of September, but talks have been stalled over the use of equipment that can function without human operators. NYT > Business