Answer:
I save lives on the ground and in the air. What am I?
I widen my jaws when you poke two fingers in me. I especially like to devour papers
I am used to bat with, yet I never get a hit. I am near a ball, yet never thrown. What am I?
I am the only thing that place today before yesterday. (one word)
I encourage people to run home and steal
Brings the sky a lot closer.