 There is another way of trying to understand Bohr’s position. According to one common reading (see  Copenhagen Interpretation),  after EPR Bohr embraced a relational (or contextual) account of property attribution. On this account to speak of the position, say, of a system presupposes that one already has put in place an appropriate interaction involving an apparatus for measuring position (or at least an appropriate frame of reference for the measurement; Dickson 2004). Thus “the position” of the system refers to a relation between the system and the measuring device (or measurement frame). (See  Relational Quantum Mechanics,  where a similar idea is developed independently of measurements.) In the EPR context this would seem to imply that before one is set up to measure the position of Albert’s system, talk of the position of Niels’ system is out of place; whereas after one measures the position of Albert’s system, talk of the position of Niels’ system is appropriate and, indeed, we can then say truly that Niels’ system “has” a position. Similar considerations govern momentum measurements. It follows, then, that local manipulations carried out on Albert’s system, in a place we may assume to be far removed from Niels’ system, can directly affect what is meaningful to say about, as well as factually true of, Niels’ system. Similarly, in the double slit arrangement, it would follow that what can be said meaningfully and said truly about the position of the electron around the top hole would depend on the context of whether the bottom hole is open or shut. One might suggest that such relational actions-at-a-distance are harmless ones, perhaps merely “semantic”; like becoming the “best” at a task when your only competitor—who might be miles away—fails. Note, however, that in the case of ordinary relational predicates it is not inappropriate (or “meaningless”) to talk about the situation in the absence of complete information about the relata. So you might be the best at a task even if your competitor has not yet tried it, and you are definitely not an aunt (or uncle) until one of your siblings gives birth. But should we say that an electron is nowhere at all until we are set up to measure its position, or would it be inappropriate (meaningless?) even to ask? 