BATON ROUGE — Amid criticism that the Louisiana Democratic Party has abandoned black voters and lost its focus, the head of a Fortune 500 company was chosen Saturday as the party's chairman. James Bernhard, the top official at The Shaw Group Inc., was the unanimous selection of the Democratic State Central Committee. He replaces Mike Skinner, a former U.S. attorney, who quit late last year after the party took a battering in the fall elections. Bernhard had the support of such top Democrats as Gov. Kathleen Blanco, U.S. Sen. Mary Landrieu and U.S. Rep. William Jefferson. After his election, Bernhard...