The son of Mogh would be a fine and honorable president. One bathed in the blood of his enemies, sure, but that just means inauguration is going to be wild. Jokes about Klingon tendencies aside, Worf has shown himself to be a noble and honorable leader and one that would do well as President. Well, at least better than William Riker.
The scandals that man would be in…
Worf is cunning and intelligent and would best serve during a time of war or crisis. He’s a matter of fact and deliberates in his actions. He knows how to make a decision and stick with it. You’d also never have to question his loyalty, after all, just the way he dealt with Jean-Luc Picard shows how deep his respect and admiration runs. It also shows his shocking restraint, after all, Worf would’ve killed Picard in First Contact if Picard was “any other man.”
Don’t insult the super-strong warrior alien. Bad idea.
Beyond that, he’s a man of two worlds. Full born Klingon, but raised with human values. He has a natural ability to negotiate with races like the Klingons and has shown an impressive ability to respect other cultures and people. Worf may be a hot-headed president from time to time, but he’s one who would respect everyone with the same depth and earnestness a leader should possess.