Premise: Right now!

Hypothesis: Right this second.
Answer: yes

Premise: And the effect of that damage has been to discourage economists from even thinking about the traditional Keynesian issues.

Hypothesis: The end result of the damage is that economists now are focused solely on Keynesian ideas.
Answer: no

Premise: An essay claims the left and the right now function solely in reaction to the Reagan revolution and the Sixties, respectively.

Hypothesis: There is no room for outside influence on either side.
Answer: it is not possible to tell

Premise: 'Please,' Derry said.

Hypothesis: I knew Derry a long time.
Answer: it is not possible to tell