The 2002 campaign season officially began last night (TUESDAY), as Minnesotans gathered in community centers and school gymnasiums for precinct caucuses. The neighborhood gatherings are the first step in the process of choosing candidates for the November election. In an early sign of party support, Republican caucus attendees favored gubernatorial candidate Brian Sullivan over Tim Pawlenty 51-percent to 37-percent. Minnesota Public Radio's Laura McCallum reports...