Leading rescattering effects cannot improve the description of $B \to K   \pi $ data
  Paper withdrawn by the author after learning that its main conclusion was given earlier in a slightly different language in Appendix D of A. J. Buras, R. Fleischer, S. Recksiegel, and F.Schwab, hep-ph/0402112. 
P. Zenczykowski (INP, Krakow, Poland)