By Alek Arend Kyle Busch didn’t last long at the Las Vegas Motor Speedway on Saturday afternoon. Just six minutes into his practice session, the 36-year-old slammed into the wall. The picture is even worse. Take a look. Upon closer review, it appears the left-rear tire blew out, causing Busch’s No. 18 to spin and then slam against the wall. NASCAR fans have been sending in their reactions to Kyle Busch’s crash on Saturday afternoon. They aren’t happy with the tire manufacturer. “KB will go to a backup car for Sunday,” said Joe Gibbs Racing. “Kyle Busch went for a spin about six minutes into th…