Katie Couric (left) and race-car driver Danica Patrick are interviewed Tuesday at the Indianapolis Motor Speedway after Patrick took Ms. Couric for a ride in a two-seat race car. "I was nervous at first, but I had a lot of fun," Ms. Couric said. (Associated Press)

Katie Couric (left) and race-car driver Danica Patrick are interviewed Tuesday at the Indianapolis Motor Speedway after Patrick took Ms. Couric for a ride in a two-seat race car. "I was nervous at first, but I had a lot of fun," Ms. Couric said. (Associated Press)