MARSHALL — The candidate filing period opens this week in Minnesota for national, state, county and some local offices. In Lyon County, the list of races includes U.S. Congressional and state Legislature seats, Minnesota state offices, county commissioner seats, and county offices like the Lyon County Sheriff and County Attorney. The filing period for those offices is May 19 through June 2. The filing period for some elections that do not hold primaries, including city council and school board races, will open July 14. The candidate filing period for several national and Minnesota ...