For as long as I can remember, I’ve loved tomatoes. Back then, we didn’t have any varieties of the fruit. Take that back; we did have cherry tomatoes, but usually only when you visited a restaurant with a salad bar. I’m trying to remember when I first learned about Beefsteak, Roma, or the Heirloom variety. But we’ve finally gone too far. Growers have just announced a new type of tomato, and it’s purple. Botanists have been working on this project for 20 years. I love the red ones, and even the green ones. But, purple…