AAA Mid-Atlantic reports that there are now 107 gas stations in the five-county Philadelphia area selling regular gas at more than $4 per gallon. On Friday,45 stations were selling gas above that mark. A week ago, just eight stations had broken the barrier. The average price for a gallon of regular in suburban Philly was $3.97 this morning, but that was before oil fell below $129 a barrel in trading today. Light, sweet crude for July delivery fell $3.34 to settle at $128.85 a barrel on the N