Here's a bright outlook on a potentially dull fall: Displays of brilliant colors might stand out spectacularly this year because they will be the exception, surrounded by browns, tans and yellows of trees that had nothing to spend on magnificence because they used all their resources to survive. TO OUR READERS: This content is being provided for free as a public service during the coronavirus outbreak. Sign up for our daily or breaking newsletters to stay informed. Please support local journalism by subscribing to The Providence Journal...