Tony Kanaan walked into a whole new world when he showed up at Indianapolis two weeks ago. As the defending Indianapolis 500 champion, the longtime fan favorite was celebrated all over town and welcomed everywhere he went. As the driver of the No. 10 car for Target Chip Ganassi Racing, however, Kanaan feels some pressure. ''Three of my best friends have driven this car, (Alex) Zanardi, Dan (Wheldon) and Dario (Franchitti), and Chip gave me an opportunity this late in my career that I don't think it comes around that often. More...