After Hurricane Ernesto battered Puerto Rico with torrential rain and strong winds, leaving nearly half the population without power, Ike Ejiochi reports on the devastation already left behind, and Cecily Tynan tracks the storm as it heads towards Bermuda; with Donald Trump back on the campaign trail in North Carolina, Rachel Scott has details on how both presidential candidates are addressing the economy, a key topic for voters; on the eve of critical cease-fire negotiations, which the U.S. hopes could dial down tension in the Middle East, Tom Soufi Burridge reports on the multiple casualties streaming into a hospital in southern Gaza; and more on tonight's broadcast of World News Tonight with David Muir.