Question

Why does the executive office of the president include press and communications staff

Answer 1

The president uses mass media to gain support for policies.

Answer 2

Because the President needs to use mass media to obtain support for policies.

The executive office of the president includes press and communications staff in order to gain support for the policies. Mass media is very important  since its goal is to inform the public and convince people of the importance of certain policies. Also, the president uses mass media to speak to people anywhere around the world.