In A Skillet, Saute The Peppers, Onion And Garlic In Olive Oil For 2 Minutes. Add Wine; Cook And Stir Until Vegetables Are Tender And Wine Is Reduced By Half. Keep Warm. Shape Sausage Into Four Hamburger Shaped Patties. Grill Burgers Over Direct Heat For 5-7 Minutes On Each Side Or Until A Meat Thermometer Reads 180 Degrees F. Cut Focaccia In Half Horizontally. Cut Into Quarters. Layer The Sausage Burger, Peppers And Cheese On Bread Bottoms; Replace Bread Tops.