A Prairie Home Companion" host and creator Garrison Keillor speaks to an audience at Concordia University in St. Paul about the challenges he's had to face as a writer and how his upbringing has helped him deal with them. Guest: Garrison Keillor, Host and creator of "A Prairie Home Companion." Newspaper columnist and author of a number of books including "Lake Wobegon Days" and "Life Among the Lutherans."