CSPAN3 March 18, 2012
3. and online at c-span.org/history. this week on the civil war, author william doback discusses his book freedom by the sword, the u.s. colored troops 1862 to 1867. it examines how african-american troops were used to improve union intelligence and the varying attitudes of union leaders toward black soldiers. this is 40 minutes. >> good afternoon. my name is lopez matthews and i'm secretary of the national archives after row american i'm stre to welcome you today to hear william a.doback discuss colored troops -- u.s. colored troops during the civil war era. and i'm here today jus...