Attorneys Jim Astrachan and Julie Rubin look at Internet defamation in this edition of Midday on the Law: We’ll be joined by Barrie Tilghman, the former mayor of Salisbury who sued a Delmarva blogger for defaming her. Being a public official, she lost the case. The blogger is still active. What are the legal standards for online defamation? And does the First Amendment protect bloggers and anonymous commenters who post vicious criticism, personal attacks and vulgar lies about people who are not public officials? A look at the Internet and the laws of libel.