It was hardly a tempting prospect to brave snowstorms and winding county roads last night to reach political caucuses in many rural parts of the state. Interest in the caucus system has dwindled over the years, and most Minnesotans didn't need much excuse to stay home. But political die-hards and a few first-timers did venture out to hundreds of schools, community centers and fire halls to sit down with like-minded neighbors and talk politics.