Amity Shlaes sheds light on the life of Calvin Coolidge, the thirtieth president of the United States. The harsh conditions of Coolidge’s childhood shaped his political ideas and led to his deep understanding of life and helping people succeed, especially in business. Believing in small government and low taxes, he thought government needed to get out of the way so individuals and businesses could prosper. His supply-side economics were a resounding success, with an unemployment rate of 5 percent or even 3 percent, as the economy grew and the government shrank. (Playing time: 48:14)