At a bustling Kampala market, Desire Karakire listens to a group of young men express their frustrations over the state of their country. Like most of their peers, they’re underemployed and extremely poor—and they feel the only way the situation will change is through violent revolution. “Leadership involves blood,” says Richard Ssenyoga, 23. With Uganda’s Feb. 18 national election approaching, these sentiments of violence are exactly what youth activists like Karakire are trying to mitigate.…