CERTIORARI TO THE SUPREME COURT OF ALABAMA. No. 73-748. Argued October 21, 1974. Decided December 17, 1974. Respondents, an association representing stevedoring companies, and a shipper, sought injunctive relief in an Alabama state court against picketing of a foreign-flag ship by petitioner maritime unions which were protesting as substandard the wages paid the foreign crewmen who manned the ship. The trial court issued a temporary injunction, and the Alabama Supreme Court affirmed. Petitioners