  A 2015 experiment by Hanson and his Delft colleagues provided new
confirmation that the quantum world violates the Bell inequalities, closing
some loopholes left open by previous experiments. The experiment was also taken
to provide new evidence of quantum nonlocality. Here we argue for caution about
the latter claim. The Delft experiment relies on entanglement swapping, and our
main point is that this introduces new loopholes in the argument from violation
of the Bell inequalities to nonlocality. As we explain, the sensitivity of such
experiments to these new loopholes depends on the temporal relation between the
entanglement swapping measurement C and the two measurements A and B between
which we seek to infer nonlocality. If the C is in the future of A and B, the
loopholes loom large. If C is in the past, they are less of a threat. The Delft
experiment itself is the intermediate case, in which the separation is
spacelike. We argue that this still leaves it vulnerable to the new loopholes,
unable to establish conclusively that it avoids them.
