CHICAGO - The daughter of Sen. Joseph Biden, D-Del., was arrested on a misdemeanor charge of obstructing an officer early Saturday, police said. Ashley Blazer Biden, 21, of Wilmington, Del., was with a group on a North Side street, where several bars are located, when someone threw a bottle at an officer, police said. When officers went to arrest a suspect, Biden blocked the officer's path and made intimidating statements, police said.