From teeming Times Square in New York City to an Asian capital hosting its first public New Year's Eve countdown in decades, the world looked to the start of 2013 with hope for renewal after a year of economic turmoil, searing violence and natural disasters. Fireworks, concerts and celebrations unfolded around the globe to ring in the new year and, for some, to wring out the old. "With all the sadness in the country, we're looking for some good changes in 2013," Laura Concannon, of Hingham, Mass., said as she, her husband, Kevin, and his parents took in the scene in bustling Times Square on Monday. A blocks-long line of bundled-up revellers with New Year's hats and sunglasses boasting "2013" formed hours before the first ball drop in decades without Dick Clark, who died in April and was to be honoured with a tribute concert and his name printed on pieces of confetti. Security in Times Square was tight, with a mass of uniformed police and pl