The Federal Maritime Commission is accepting public comments on a draft rule to prohibit ocean carriers from unreasonably refusing to provide vessel space to shippers -- a recurring concern among U.S. exporters. The FMC is issuing a proposed rule arising from a requirement in the Ocean Shipping Reform Act, enacted earlier this year, that “prohibits ocean common carriers from unreasonably refusing to deal or negotiate with respect to vessel space accommodations,” the commission said in a notice set to be...