LOS ANGELES (Reuters) – Criminal charges filed against a photographer who pursued teen pop star Justin Bieber at high speeds on a Los Angeles freeway in July were thrown out on Wednesday, striking a blow to California's crackdown on overly aggressive paparazzi. Celebrity photographer Paul Raef was the first person to be prosecuted under the state's 2010 law that criminalizes dangerous driving when taking photos commercially. Raef was charged in July with two counts of violating the law stemming from a July 6 incident on a freeway in Los Angeles' San Fernando Valley. …