Hi, Urs and Vera have done one more iteration on the paper. The current version is in http://www.slac.stanford.edu/~rfaccini/phys/vub/prl/prl_paper.ps If I do not get feedback in 24 hours I will assume green light from you and post the replies to the CW-review (as in http://www.slac.stanford.edu/~rfaccini/phys/vub/prl) together with this version of the paper uploaded bye ric