According to the lecture on career resources, what color 'thinking hat' is worn when positive, optimistic thinking is in place? this color hat you to keep on going when everything looks gloomy and difficult.

A yellow thinking hat should be worn when it comes to optimistic thinking.
Edward de Bono, a Maltese psychologist, came up with the idea of Six Thinking Hats used in group discussions so as to help the thinking process. These are those hats:
- blue: managing
- white: information
- red: emotions
- black: discernment
- yellow: optimistic response
- green: creativity 

Hey here is your answer

Donald  trump's  favorite color is orange.