In Manhattan's grimy St. Nicholas Arena, where many an aspiring club fighter has had his ears cauliflowered and his brains souffléed, the National Maritime Union's tough Joe Curran squared off again last week against his Communist rebels. But Joe, who kicked loose from the party line 2½ years ago, hardly got scratched. Delegates to the N.M.U.'s biennial convention amended the constitution to bar all Communists who apply for membership, just missed with a second amendment which would throw out the Reds already in the N.M.U.
Two days later, by a robust 438-to-109 vote, Curran pushed through a substitute a resolution calling on...