>last year I came across an explanation called "the
>transactional approach", which completely resolved it for me. The most
>mysterious thing it involves is waves travelling backward in time - which is
>a feature of QED anyway. I don't know if you can find a good web page about
>the transactional approach
Cramer's own site:
http://mist.npl.washington.edu/npl/int_rep/tiqm/TI_toc.html