Edwards delivers final speech in Senate Democrat talks of battles fought and constituents helped TIM FUNK Observer Washington Bureau WASHINGTON - Sen. John Edwards said goodbye to the U.S. Senate on Friday, delivering a final floor speech that invoked the names of colleagues he fought with on the Patients Bill of Rights and constituents he fought for in the aftermath of Hurricane Floyd and the closing of Pillowtex. Though the Tar Heel Democrat was absent from the upper chamber for much of the last two years -- missing a high percentage of the 673 roll call votes as he ran...