History Detectives | Episode | Colored Heroes, Valley Forge Map and a Transistor Radio

In this episode, U.S. Senator Charles Schumer helps us find the details behind the heroic acts pictured in a poster about two WWI African American soldiers. Then, do we have a hand-drawn map of Valley Forge that George Washington used during the American Revolution? Finally we investigate an early first transistor radios ever made and a business card’s link to Prohibition-era underworld crime.