This is a special captioning sponsored by cbs this is the cbs evening news with scott pelley. Reporting tonight from the Democratic National convention in philadelphia. Pelley and theres breaking news here tonight, and not the kind that Hillary Clinton wants. A new email scandal. This time at the Democratic National committee. And it has cost the chairman of the dnc her job. Florida congresswoman Debbie Wasserman schultz announced that she is stepping down at the end of this convention. Nancy cordes begins our coverage. Nancy . Reporter scott, Wasserman Schultz was already a lightning rod for Bernie Sanders supporters even before these hacked emails were made public. And so now with democratic officials desperate to bring those officials into the fold and union fie the party in advance of the convention, the decision was made that she had to go. Debbie Wasserman Schultz. Hello, south florida reporter Wasserman Schultz announced her resignation just one day after introducing clinton and