Has the war on drugs undermined civil liberties?

Legal scholars, activists, academics and law enforcement have all questioned the impact of the drug war on U.S. civil liberties. Are our privacy rights and the right to be free from unreasonable search and seizure, for instance, fully protected when the government complies with the law in the investigation, prosecution and punishment for possession of marijuana?  In a four-part Baker Institute Viewpoints series, we ask: Has the war on drugs undermined civil liberties?