Hawaii suffered its worst flooding in more than 20 years as heavy rains fell on soil already saturated by downpours from a winter storm a week ago, officials said on Friday, while warning that more rain was expected during the weekend.Muddy floodwaters smothered vast stretches of Oahu’s North Shore, a community world renowned for its big-wave surfing.Raging waters lifted homes and cars and prompted evacuation orders for 5,500 people north of Honolulu.Authorities cautioned that a 120-year-old...