Today's high topped out in the Twin Cities at a remarkable seventy-seven degrees. That's about fifteen degrees above average and even more welcome than usual after what so far has been a cool, wet spring. But if the warm weather has you daydreaming about summer travel, consider this- gas prices are rising right alongside the mercury. Dawn Duffy is Public Relations manager of AAA of Minneapolis. She says today's prices are much higher than the same time last year: