Christine Brennan, USA Today columnist joins us from Carnoustie Golf Links in Scotland, site of the 2007 British Open. Jeff Ma, VP of Research for PROTRADE.com stops by to chat with us about the online sports stock market and his new movie - 21 - based on the book Bringing Down the House, where he and fellow MIT students and alums took Las Vegas for millions of dollars by crunching numbers and beating the system. We also look at the business impact of the Mike Vick dogfighting probe.

Learn more about your ad choices. Visit megaphone.fm/adchoices