WASHINGTON - Jurors began deliberating Wednesday in the perjury and obstruction trial of former White House aide I. Lewis "Scooter" Libby. Libby, the former chief of staff to Vice President Dick Cheney, is charged with lying and obstructing the investigation into the 2003 leak of CIA operative Valerie Plame's identity. Jurors heard about an hour of legal instructions from U.S. District Judge Reggie B. Walton on Wednesday morning before beginning deliberations shortly before 11:30 a.m. They heard a full day of closing arguments Tuesday after a monthlong trial. The jury of eight women and four men must be unanimous before...