Cassidy's heart tried to leap out through his taught skin and hop into his wet hands. But outwardly it was all very calm, very serene, just as always, and it seemed to last a tiny forever, just like that, a snapshot of them all on the curved parabola of a starting line, eight giant hearts attached to eight pairs of bellows-like lungs mounted on eight pairs of supercharged stilts. They were poised on the edge of some howling vortex they had run 10,000 miles to get to. Now they had to run one more