Bra Balls Two San Francisco area artists, Emily Duffy and Ron Nicolino, are engaged in an intense dispute over intellectual property. Both have created similar works of art and blame the other for ripping off their idea. Kathryn Baron of member station KQED reports. (4:00) For more information on Duffy's work, visit http://www.braball.com. You can see Nicolino's work at http://www.nicolinosbraball.com/.