Not your average cup of Joe: St. Louis barista heads to national championship

St. Louis' Joe Marrocco of Kaldi's Coffee is already a champion barista.  As the top scorer in the South Central regional competition earlier this month, Marrocco heads to the United States Barista Championships this weekend as a man to beat.  Nationals are underway in Houston, where competitors are judged on a number of factors, including taste, technical skills, and presentation.  We caught up with Marrocco during a recent practice session.