CBS This Morning Heirloom Tomatoes at Kendall-Jackson Tomato Festival 2012 September 24, 2012 / 12:23 PM EDT / CBS News CBS/Kira Kleaveland Purple calabash CBS/Kira Kleaveland Heirloom tomatoes growing on the vine in the Kendall-Jackson culinary garden CBS/Kira Kleaveland CBS/Kira Kleaveland CBS/Kira Kleaveland Kendall-Jackson Executive Chef Justin Wangler CBS/Kira Kleaveland CBS/Kira Kleaveland CBS/Kira Kleaveland CBS/Kira Kleaveland CBS/Kira Kleaveland CBS/Kira Kleaveland