Answer:
Kings and queens may cling to power and the jesters may have their call. I am the most common but I can rule them all. What am I?
Iron roof, glass walls, I burn and burn but never fall. What am I?
I go up and down at the same time. Up towards to sky and down towards the ground. What am I?
My teeth help me suck.
Travel a mile and I will change, travel a million and I will end as I started. What am I?
What is always coming but never arrives?