NEW YORK (Reuters) - Kraft Foods Inc Chief Executive Irene Rosenfeld is breaking up the food giant in a move that has been percolating at Kraft for several years but caught the market by surprise, coming only 18 months after the acquisition of Cadbury. (http://feeds.feedburner.com/~ff/reuters/topNews?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/reuters/topNews?i=25IJ0JjVhsg:Brg5mQm2kGY:V_sGLiPBpWU) (http://feeds.feedburner.com/~ff/reuters/topNews?i=25IJ0JjVhsg:Brg5mQm2kGY:-BTjWOF_DHI) (http://feeds.feedburner.com/~r/reuters/topNews/~4/25IJ0JjVhsg)