U.S. succeeds in cracking Apple's iPhone, drops legal action

By Dan Levine SAN FRANCISCO (Reuters) - The U.S. Justice Department said on Monday it had succeeded in unlocking an iPhone used by one of the San Bernardino shooters and dropped its legal case against Apple, ending a high-stakes legal battle but leaving the broader struggle over encryption unresolved. The abrupt end to a confrontation that had transfixed the tech industry was a victory for Apple, which vehemently opposed a court order obtained by the Justice Department that would have required i