. >>> from building software companies to filling basketball ross teters rosters, my next guess finding business to be a financial affair. author of the new e-book, "how to win at the sport of business." mark, good to have out program. welcome. >> thanks, maria. >> so professional basketball returns to christmas day, the dallas mavericks raising their championship banner. how do you feel about short season? >> i'm just glad to be back playing basketball, and every time i hear you say nba champ, i still get goosebumps. i'm really excited and to be able to raise the banner in front of the heat, that's even better. >> how fantastic. i bet you get goosebumps. congrats. this is your first book. you write a lot about competition in customer service. tell us what you've learned from sitting in the sport of business. >> what i've learned is that business is the ultimate sport. i talk to professional athletes, obviously, and deal with them all the time, and they talk about the grind of playing 82 games, 48 minutes per game, practicing a couple hours per day. they don't realize that business i