Task: Calculate the intensity of emotion E in the tweet as a decimal value ranging from 0 to 1, with 0 representing the lowest intensity and 1 representing the highest intensity.
Tweet: @KeithOlbermann depressing how despicable Trump, with no policies, campaigning on bigotry &amp; rancour can be so close, evil immoral disaster
Emotion: sadness
Intensity score: 
0.708