Reporters have defied a federal judge's order to reveal their confidential sources for articles that portrayed Dr. Wen Ho Lee, a former nuclear weapons scientist, as a chief suspect in a Chinese espionage investigation.

President Bush signed a bill Tuesday that seeks to stop spam from jamming people's e-mail accounts. Margaret Warner asks AOL Vice President Randall Boe and anti-spam activist John Mozena about the effectiveness of this new law.

More local newscasts are increasingly broadcast from the same location in Hunt Valley, Md. Terence Smith goes inside the studios of Sinclair Broadcast Group, which has been criticized for its consolidation that has taken the local out of local news.