Growing up in the 1950s, I knew zero about cars — I’ve doubled my knowledge since then — but I knew this: winning the national Soap Box Derby was, for a youngster, the equivalent of an adult taking the Oscar or the Heavyweight boxing title. That boy may not have gained the fame of those older folks, but he was in a prestigious winner’s circle. 50 years ago, Ken Cline, a Llano resident for about a decade, raced faster than a nation full of competitors to become the Derby champion, and on ...