Signaling
http://thehill.com/homenews/news/394772-obama-to-dems-you-are-right-to-be-concerned-about-trump
>“Do not wait for the perfect message, don’t wait to feel a tingle in your spine because you’re expecting politicians to be so inspiring and poetic and moving that somehow, ‘OK, I’ll get off my couch after all and go spend the 15–20 minutes it takes for me to vote,’” Obama said.
“Because that’s part of what happened in the last election. I heard that too much," he added.
>“Fear is powerful,” Obama said. “Telling people that somebody’s out to get you, or somebody took your job, or somebody has it out for you, or is going to change you, or your community, or your way of life — that’s an old story and it has shown itself to be powerful in societies all around the world.”
>“It is a deliberate, systematic effort to tap into that part of our brain that carries fear in it,” he added.