The storyline involving the young, ambitious, and I'd say mostly 'well-intentioned' politician Tommy Carcetti in season 3 of The Wire gives an interesting insig

The storyline involving the young, ambitious, and I'd say mostly 'well-intentioned' politician Tommy Carcetti in season 3 of The Wire gives an interesting insight in how difficult it (probably) is to join the government apparatus without turning into the thing you meant to fight.