I'm sure her threats followed the old Democratic line of: Do you know who I am? http://www.youtube.com/watch?v=LFucx5lJJuI CHICAGO (AP) - The daughter of Sen. Joseph Biden ( news, bio, voting record), D-Del., was arrested on a misdemeanor charge of obstructing a police officer early Saturday, police said. Ashley Blazer Biden, 21, of Wilmington, Del., was with a group of people on a North Side street where several bars are located when someone else threw a bottle at a police officer, police said. When officers went to arrest another person, Biden blocked the officer's path and made intimidating statements, Officer JoAnn Taylor said. Biden was arrested on suspicion of obstructing a police officer. She was released from custody and is scheduled to appear in court Sept. 20. Sen. Biden's spokeswoman, Margaret Aitken, declined to comment Saturday, calling it a private, family matter.