Charming Penguins Saga
  We briefly recall the main formulae for computing the B -> K pi branching ratios within the "charming penguin" approach, present an updated fit to the data, and explain why we believe that, in general, these fits can hardly be used to extract gamma. 
M. Ciuchini, E. Franco, G. Martinelli, M. Pierini, L. Silvestrini