Answer:
A kind of weather that comes your way, but add a "D" and it will run away
What is so fragile that saying its name breaks it?
It's a game played by serious people that takes place on a global scale.
You heart it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung.
There is an ancient invention. Still used in some parts of the world today. That allows people to see through walls.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.