U.S. Vice President Mike Pence accepted the nomination for a second term in office as Republicans met for a third day. But President Trump still trails in national polls as he prepares to address the convention tonight. What does he need to do to close the gap? Plus a major hurricane makes landfall in the southern U.S., forcing nearly 300,000 homes and businesses to lose power. And the man who killed 51 Muslim worshipers last year in New Zealand is sentenced.