Wednesday night on Atlanta CBS affiliate WGCL-TV, reporter Mike Paluska interviewed private investigator T.J. Ward, who uses computer software to determine with a high degree of certainty whether someone is telling the truth. “The software works by analyzing your voice, from emotional stress to your thought process,” Paluska said.Two samples were played for the software, said to cost $15,000: one of GOP presidential hopeful Herman Cain from his Phoenix press conference on Tuesday, and the other of his accuser Sharon Bialek from her Monday press conference in New York City. The report showed a “low risk” of untruthfulness for Cain, while...