[liveblog] NPR is calling Vermont for Senator Bernie Sanders - a big victory for progressive politics in America.

[liveblog]Our live blogging system is again giving us trouble - should be coming at you with poll stats/photos/insights asap!

Arrived at NPR and have just been introduced to everyone at the studio. Looks like a lively bunch so this should be a fun night. Photo below is of NPR's political editor Ken Rudin giving us a talk before the onslaught of vote counting begins: