He also acted particularly childish in Hippocratic Oath. Also, I can't think of the name of the episode but he sacrificed intel that could have possibly won the war to save Jadzia.
In general Worf had the same impulses in DS9 that he had in TNG but he was less good at restraining them and making the professional decision than he was in TNG.
Here's a thought. Picard : Worf = Phil Jackson : Dennis Rodman?