The primary is Connecticut is on Tuesday.  In addition to Democratic and Republican races for Secretary of the State, a Democratic primary for state Treasurer and GOP contest for U.S. Senate, there's also a vote for Republicans in the 69th state House district.  Freshman incumbent Cindy Harrison is being challenged by Southbury Selectman Jason Buchsbaum. No Democrats have filed to run for the seat.  Harrison, a Newtown native and accountant, co-owns Breezy Knolls Farm with her husband.  Buchsbaum, a lawyer and former vice chair of the town’s Charter Revision Commission, was a member of the Seymour Board of Education. The district also includes Bridgewater and Roxbury.