Is it truly kinder to be brutally honest, or can honesty be delivered in a way that's both truthful and compassionate?

What are some other subtle signs, besides eye changes, that might indicate someone has narcissistic or psychopathic tendencies?
Why do certain people seem to transform completely when defending someone they care about, like turning into a protective force?
Does the jury system encourage jurors to conform to the group rather than follow their own conscience?
Will Trump's announcement about the purchase of diesel from Russia affect how his supporters in Congress gauge their loyalty to him?