Going head to head tonight Jamie Squire/Getty
When the two prime candidates to become US president meet for their first head-to-head debate tonight, expect familiar insults to fly. Donald Trump is a “narcissist”. Hillary Clinton is a “liar”.
How worried should both politicians be that these labels now dominate public perceptions? Very. Recent research by psychologist Geoffrey Goodwin at the University of Pennsylvania has found that .
This applies to everyone from your best friend to your boss. But the more important the person’s…
