Did Greenberg really have a great eye, or was Jackson Pollock just a lucky loser foisted on a gullible public by a bull in a china shop?
Greenberg was a bit of a bull in a china shop. 
mnli hypothesis: Greenberg was a bit of a bull in a china shop.  premise: Did Greenberg really have a great eye, or was Jackson Pollock just a lucky loser foisted on a gullible public by a bull in a china shop?