U.S. ramps up Apple fight with new filing in iPhone unlocking case

By Dustin Volz and Julia Edwards WASHINGTON/LOS ANGELES (Reuters) - The U.S. Department of Justice filed a motion seeking to compel Apple Inc to comply with a judge's order for the company to unlock the encrypted iPhone belonging to one of the San Bernardino shooters, portraying the tech giant's refusal as a "marketing strategy." The filing escalated a showdown between the Obama administration and Silicon Valley over security and privacy that ignited earlier this week. The Federal Bureau of Inve