Evening News Online, 12.31.11 - CBS News Video Evening News Online, 12.31.11 Saturday: For the past two nights, an arsonist's fires have lit up the night sky in Los Angeles. More than 30 vehicles in and around Hollywood have exploded in flames; Also, As 2012 begins, San Francisco will become the first city in the U.S. to break the $10-an-hour barrier for minimum wage; And, time zone by time zone, the world welcomes a new year. And, perhaps the most popular celebration - the ball drop in New York City's Times Square - is ready to get underway.