First-year coach Willie Taggart unveils his version of the Oregon football team Saturday at Autzen Stadium. Taggart has impressed many with his enthusiasm and energy, which he is going to need, to rebuild the Oregon program, which three years ago competed for a national championship but last year lurched to a 4-8 record, punctuated by several severe beatdowns. Taggart and his new staff have their work cut out for them. Last year’s team was rotten in the core, buffeted by individual breakdowns in effort and teamwork that resulted in increasingly embarrassing defeats. Coming from successful rebuilding efforts in Western Kentucky …