… GLC Book Talk: Alice Baumgartner, South to Freedom: Runaway Slaves to Mexicoand the Road to Civil War (Basic Books 2020) … Book Talk: Alice Baumgartner, South to Freedom: Runaway Slaves to Mexicoand the Road to Civil War (Basic Books 2020) … David Blight about her book, South to Freedom: Runaway Slaves to Mexicoand the Road to Civil War(Basic Books 2020) …