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Attorneys, certain magazines notwithstanding, do not have capes nor do they have special powers. You need an experienced DUI attorney. I would recommend Charles Nistico or Steve Kellis but you need to understand ---- success is fact driven and seeking results on past performance is what keeps rcaetracks and casinos in the black.
BTW extrapolation (rising blood alcohol levels) was eliminated as a defense by the state legislature in 2004 when Pennsylvania amended its DUI statute.