(Portland, OR)  --  A 79-year-old man is heading to prison after racking up his 14th DUII conviction.  Alfonso Rivera Nieto told Portland Judge Angel Lopez he'll never drink and drive again, but Lopez sentenced Nieto to four years behind bars.  Nieto's first DUII conviction was in 1968.  "The Oregonian" reports Nieto has had his driver's license revoked for life five times.