Related Clues:

• You can tell it
• Trotter's rhythm
• Proctor's call
• Fourth dimension
• Popular reading since 1923
• Double-quick, e.g.
• Henry Luce started it
• Rate of speed
• Wear a hole in the rug
• Horse's gait
• Rate of movement
• A lap a minute, e.g.
• Marathoner's concern
• Display anxiety, in a way
• Cons do it