Lucius Riccio, a professor at Columbia University, explains the various factors that contibute to creating backups on the golf course.
For daily updates from the United States Golf Association, visit us at www.usga.org, on Twitter (www.Twitter.com/USGA; www.Twitter.com/usopengolf) and on Facebook (www.Facebook.com/USGA; www.Facebook.com/USOPEN).
