A federal judge on Thursday denied a mistrial for accused white South Carolina gunman Dylann Roof, who a day earlier was described as "evil" in testimony by a survivor of the deadly June 2015 attack on a historic black church. Lawyers for Roof, 22, argued eyewitness Felicia Sanders had offered prejudicial and improper opinion about what penalty he should face. During her testimony on Wednesday, the first day of Roof's trial, she called the defendant "evil, evil as can be" for appearing to sit innocently through a Bible study meeting at Emanuel African Methodist Episcopal Church in Charleston before opening...