Congress Avenue was always meant to be the heart of Austin. Over the last 40 years, it's destiny as a retail center seems to have slowly slipped away. When the new Marriott replaces Tesoros Trading Company, very little retail will remain. Today, however, Patagonia -- the upscale outdoor clothing company -- announced that it will open it's first store in Texas in a historic downtown building located between 3rd and 4th street on Congress Avenue. This is a bold move for the company and it is great news for Austin. With the opening of a new destination store, the Patagonia . . .