Rock-a-bye Baby at Pimlico. The Damon Runyon story Little Miss Marker had previously been adapted for the screen in 1934 with Shirley Temple, but this version alters the name and features Bob Hope and Lucille Ball, which proves to be a successful combination. The plot centers on Hope as Sorrowful Jones, a crafty bookie who ends up responsible for a five-year-old girl when he accepts her as collateral on a debt.…