Heat a large saute pan with some olive oil over medium heat. Chop onions and add to pan once oil is hot. Continue to stir occasionally to avoid sticking and burning, and add additional olive oil as needed. Chop up the red peppers and add to the pan once onions begin to soften, about 5 minutes, making sure to mix ingredients. Cube the sweet potato and add it to the pan as well. While ingredients continue to cook, mince the garlic cloves. Set half aside, and add the other half to the pan, again mixing well. Now, put a small saute pan on medium and let it heat while you cut the pork into small bite size pieces. Add them to the pan, making sure to stir to avoid burning and sticking. Once cooked most of the way through, remove from heat. When onions and red peppers have softened and sweetened, and yams have softened enough to be edible, salt and pepper them to taste. Open up the cans of tomatoes and add to the pan with the pork and remaining garlic, and mix well. Add Tabasco and balsamic vinegar to taste. Mince all fresh herbs and add to the mixture, followed by the dried herbs. Take it easy on the herbs to begin with. You can always add more later, but it's far too easy to accidentally add too much of an herb which ends up taking over the flavor. Mix ingredients well, adding salt and pepper if needed and making sure not to break bay leaves. Turn heat down to low and cover the pan, letting it simmer for 1 to 2 hours.