At 10 P.M. on July 4th John Smoltz of the Atlanta Braves strode to the mound to face Chicago Cubs slugger Sammy Sosa with runners on first and second and the Braves clinging to a narrow lead. Mr. Smoltz pitched aggressively and got two strikes on Mr. Sosa as flashing cameras made the bleachers appear like seating for fireflies. As fans chanted "Smoltzie, Smoltzie," their hero nibbled at the corners of the plate and missed. The count went to three balls, two strikes, and the Atlanta crowd rose, cheering for a strikeout. Then, an anti-climax: The pitcher missed low, the...