Verb conjugation of "circunscribir" in Spanish

I ordered a cab at four o'clock in the morning which took me to the Central Bus Station. I was much to early because the bus would go just at seven o'clock. Anyway I was sitting there and listening to music.
Regretably they are fighting at the wrong 'frontline'. They are fighting there because there they can win. Nothing gets solved though. One needs to tackle the real issues and not flee for political reasons.
We spent the entire day doing nothing, just waiting for the night train which would take us into the northern mountain area of Vietnam, close to the Chinese border. The train left at around ten.