There is no measurement problem in the Copenhagen interpretation of quantum mechanics.

Drawn from what Jim Baggott said

What these subjects mean

physics Fundamental physics: unification, relativity and quantum mechanics, and whether string theory is still the candidate.

quantum mechanics The theory itself and the arguments about what it means -- measurement, collapse, and whether nature is locally causal.

What Jim Baggott actually said

Do you hold this korrent?Do you also believe this?

Shared subject first, then similar wording. They may agree or disagree.