J. D. Petruzzi is a Civil War historian and author. He’s an expert on the Battle of Gettysburg—whose 148th anniversary is July 4th. We examine how the North’s success in the battle forged a unified nation from his book The New Gettysburg Campaign Handbook.

Here is the lineup of guests on BRAINSTORMIN’ with Billy the Brain for Wednesday, June 29, 2011. Listen at or on AM 1400 in Ventura at 9 o’clock am Pacific time.