PHILADELPHIA — Bonnie Sweeten pleaded guilty Tuesday to fraud — again. Sweeten, 51, admitted to stealing just under $150,000 from a friend who hired her after her last conviction to give her a second chance. Clutching a tissue and speaking softly, she entered her plea in a nearly empty federal courtroom, drawing far less attention than when she tried to pull off a racially charged hoax in 2009. She drew national headlines at that time when she called 911 and claimed to have been carjacked along with her 9-year-old daughter. Sweeten, who is white, told the dispatcher she had been abducted in Bu...