The four Marx brothers smuggle themselves aboard an ocean liner in barrels and proceed to cause a modicum of havoc on the ship before cleverly avoiding immigration officials in New York and ending up embroiled in a turf war between rival gangsters that sees one of their number's daughter kidnapped - and our hapless comics seem the most likely to save the day, and the gal! Now I'm not really a fan of this kind of humour, I just don't find it funny - but one has to admire the sheer precision of their performance. The quickly paced, expertly choreographed "spontaneity" of it all is precise and…