Premise:
"Laibson's imperfect altruists face a far subtler problem--they're not just weighing costs and benefits, they're engaged in games of strategy against their future selves."
Hypothesis: Laibson has selfish people that follow him.

no

Premise:
"He believed in a public health approach to screening which means we would not do it if the yield is low."
Hypothesis: A public health approach to screening was something he believed in.

yes

Premise:
"but i guess that's that's a different topic isn't it"
Hypothesis: I will try to stay on topic.
it is not possible to tell