John Edwards Revisits His Past, Hanging Law Shingle Again BY PETER LATTMAN AND KIM SEVERSON Before he served as a United States senator, before he made a run at the presidency and before his political career collapsed amid a sex scandal and fraud trial, John Edwards was a trial lawyer. Now, Mr. Edwards is returning to his roots and opening a new law practice. The plaintiffs’ firm, Edwards Kirby, reunites him with his former partner, David F. Kirby, and includes on its payroll his eldest daughter, Cate Edwards. “The reason we formed this firm is because we all believe in...