It may be premature for Lt. Gov. John Garamendi to start printing new business cards, but he could be placing an order for them soon. The well-known 64-year-old lawmaker and rancher from Walnut Grove triumphed over his Democratic competitors in Tuesday's special 10th Congressional District primary. "I have represented every part of this district for the past 10-1/2 years," Garamendi said via telephone over the din of his campaign party in Walnut Creek late Tuesday. "The people of this district understood that I knew the issues that they cared about and that I could be a good and forceful representative."...