That's how the newly minted two-time Daytona 500 champion feels about his first few steps into the social media world of Twitter -- at times, a bit overwhelmed. How do you get through all that?" Earnhardt asked Friday morning at Phoenix International Raceway. NASCAR's most popular driver has been smiling ear-to-ear for nearly a week now, after earning his second Daytona 500 championship this past Sunday night. The most public manifestation of that elation has been on the social media network Twitter, something Earnhardt had been hesitant to join, but he finally relented in the aftermath of his most recent victory in the Great American Race. More...