CAMPBELLVILLE, ON — When the two-year-old trotting fillies step up behind the gate at Mohawk Racetrack on Tuesday for their $130,000 Gold Final, fans will be treated to "a little taste of Philly." When Melvin Hartman purchased elimination winner Philhallmonic for $115,000 US last fall the filly was named Myrtle May. The Ottawa resident and