ESPN.com's motorsports writer Terry Blount kicks off Firestone 550k race week at Texas Motor Speedway by answering your questions during a live chat at 1 p.m. today. Have an opinion on the finish at Indy? Looking to see who might have an edge next weekend at TMS? Can Helio Castroneves go back-to-back? Think Danica Patrick has a shot? Go ahead ... ask away.