13th ANNUAL TEAM SHELBY BASH   Thursday, March 19 - Sunday, March 22   Come rumble in the desert at the 13th Annual Team Shelby Bash! This four-day event will include once-in-a-lifetime moments with automotive legends, friends and astounding machines!   Imagine a track filled with Shelby American's newest vehicles, three generations of Ford GT's and the new 2020 Ford Shelby GT500 all carving up the corners.   We will honor five decades of the Ford Shelby G