The newly redesigned MSNBC.com now has new anti-Mac requirements to view video on the popular news Web site. “To use MSNBC Video, your computer must have Microsoft Internet Explorer 5.5 or later on a Windows operating system,” the site now says. “The Netscape internet browser is not sufficiently compatible with Windows Media Player 9 to play MSNBC Video content and no plug-in software is available. MSNBC video is unable to support the Macintosh or other operation systems.”