Before Pat Dorsey started his own investment firm, Dorsey Asset Management, he spent over a decade at Morningstar building the equity research group from ten to over 100 analysts and crystallizing the idea of what an economic moat is and how to identify one. But he hasn’t stopped developing his approach to investing, and he doesn’t think you should either. “One of the dangers people in the value investing community often fall into is slavishly following Uncle Warren and Grandfather Ben, and sort of worshipping at their feet. But investing’s not like that, Buffett himself has said that investing is…