When you think of Tomatoes, you think of a hot, balmy summer day. Tomatoes indeed are a subtropical fruit. They love the heat. So here we are, in the middle of winter and California growers are still producing Tomatoes. One of those growers is even mocking Old Man Winter. John Van Diepen has agricultural degrees from Cal Poly San Luis Obispo and North Carolina State University. And with all of his ag smarts, he decided to grow Tomatoes…in the Sierra Nevada, in Pioneer, California. It happens to be at the 3,000 foot elev