Answer:
What is the freedom of birds and the pen of old men?
Through its wounds, water does run. It once held many but now has none. What is it?
This thing runs but cannot walk, sometimes sings but never talks. Lacks arms, has hands; lacks a head but has a face.
It can cause deflation of tires when dropped from the rear of spy cars.
What always goes to bed with his shoes on?
People take me on walks and I run and have fun. What am I?