I think in this case the entropy is getting greater day by day
Answer: The ego integrity vs. despair stage
Explanation: Psychosocial development was developed by
by Erik Erikson in collaboration with Joan Erikson which listed 8 stages of development an individual must pass through from childhood to adulthood.
One of those stages listed is the ego integrity vs. despair stage which usually occurs between the ages of 60 and above where an individual begin to come to terms with life and ask oneself questions that has to do with the integrity of their ego(thoughts of success) or despair(thoughts of failure).
The answer is Dregg did delightfully on his Antarctic test because ... he knew it cold! This puzzle is a play on words; when somebody is fully set for every answer on a test, they can be said to "know it cold." At the same time the Antarctic is recognized for being, in fact, very cold. So in this joke Dregg knew all the answers about the cold weather of the Antarctic.
I believe it is the speaker of the house
then the pro tempore is next i believe