Politics
From Tardis Wiki, the free Doctor Who reference
According to Jack Harkness, politics was a common subject of small talk. (PROSE: Slow Decay)
One of the Three Families handled politics. (TV: The Gathering)
Kiria City, the capital of Urbinia, was a seat of learning in all schools of politics throughout the Third Galaxy, alongside science, philosophy and culture. (AUDIO: Daughter of the Gods)