Shawn McCauley, left, and Bill Halling both of Des Moines, Iowa, look at a display during a preview of the Harley-Davidson museum Monday, July 7, 2008, in Milwaukee. (AP Photo/Morry Gash)

Harley museum highlights road trips

MILWAUKEE (AP) – The Harley-Davidson Museum is highlighting the American road trip in a new exhibit this summer in Milwaukee. It features ph…