Puree Garlic And Salt To A Paste In A Food Processor. Set Aside. In A Large Saute Pan, Saute Onion In Olive Oil Until Softened About 5 Minutes. Stir In 1/3 Of The Garlic Paste Along With Tomatoes. Cook Over Medium Heat Until Thickened. Add The Herbes De Provence, Sugar, Salt, Pepper And Red Pepper Sauce. Add 1/3 More Of The Paste. Stir And Keep Warm. In Medium Saute Pan, Saute Artichokes And Remaining Garlic Paste For About 5 Minutes. Serve Artichokes, Topped With Tomato Sauce And Sprinkle With Chives.