Police stop driver for speeding and nearly hitting mailbox on side of road. Driver displays slow speech, an odor alcohol and red/glassy eyes. Driver admits to drinking only two beers and he is just a short distance from his girlfriend’s home, whom he is driving home. Police ask driver to participate in field sobriety tests, which driver agrees to perform, only after disclosing a recent leg injury. Defense prepared to challenge validity of tests in light of documented injury. DWI charge dismissed prior to trial.