There's an eye-opening exhibit at the Iowa State Fair that is educating parents about youth substance abuse. It's called "Hidden in Plain Sight," put on by YSS.

There's an eye-opening exhibit at the Iowa State Fair that is educating parents about youth substance abuse. It's called "Hidden in Plain Sight," put on by YSS.

There's an eye-opening exhibit at the Iowa State Fair that is educating parents about youth substance abuse. It's called "Hidden in Plain Sight," put on by YSS.

There’s always something new at the Iowa State Fair. One spot on the fairgrounds is all about celebrating nostalgia.  Up the ...