1.   Anthony sprang through the cab door onto a narrow running board six feet above the wheels and raced to the front of the swaying train.

2.   Rex opened the cab door for Laura.

3.   Bud Selig usually has to hold the cab door open for his fellow commissioners.

4.   They spend their time opening and closing taxi cab doors.

5.   A few days later, a decidedly buoyant Marty is inline-skating down Fifth Avenue when a cab door flies open and knocks him silly.