for free transcripts or to give us your comments about this program, visit us at qanda.org. "q and a" programs are also available as c-span podcasts. >>> i was quite a radical as a young person and i was the one that thought that, you know, the -- sing we shall overcome was really not a very effective way of gaining civil rights and i think that i thought that more confrontation was needed. >> economics professor, columnist and substitute host for rush limbaugh, walter williams, on being a radical. >> i believe that a radical is any person who believes in personal liberty and individual freedom and limited government. that makes you a radical. and i've always been a person who believed that people should not interfere with me. i should be able to do my own thing without -- so long as i don't violate the rights of the people. >> more with walter williams on c-span's "q and a." >>> james madison, the fourth president of the united states, often referred to as the father of the constitution, owned about 100 slaves at montpelier, his 4,600-acre estate in orange county, virginia.