The biggest Democratic political blog, managed by Markos Moulitsas Zuniga (who goes by his old army nickname, 'kos'). It's a community which includes many thousands of diarists and commenters. With the rise of political blogs, Daily Kos has become increasingly influential over the last several years.
'Kos' rhymes with 'dose'.
Looking back, the people at Daily Kos look pretty smart for opposing the Iraq War from the beginning.