Shawna Robinson and ALL Female Pit Crew

CONCORD, N.C. -- Shawna Robinson knows she is under the gun in this weekend's O'Reilly 400 at Texas Motor Speedway. And she's not even on the pit crew.

Gina Tomaseski is on the pit crew, so she knows the pressure, too. Tomaseski is the "jackgirl," as she calls herself, on the unique all-female crew that will pit Robinson's No. 49 truck during Friday night's NASCAR Craftsman Truck Series race....