Wm F. Buckley Comes Out Against Iraq War?

In the National Review Online, Friday Feb. 24, 2006, William F. Buckley Jr appears to be calling on President Bush to acknowledge defeat in Iraq. See for yourself:

http://www.nationalreview.com/buckley/buckley200602241451.asp

Does this mean Buckley is in league with the unpatriotic traitors like Cindy Sheehan and Rep. Murtha?