Re: Lt. Kim
Maybe Harry didn't get promoted simply due to ambition. He was ambitious enough to keep asking for it, but not ambitious enough to prove he deserved it through job performance. Sort of like if someone constantly recommends himself for a moderator position on a forum site, he's not going to get it.
Curly: Moe, Larry, the cheese! Moe, Larry, the cheese! (Horses Collars, 1935)