DFLer Mark Dayton is running the richest campaign for governor in Minnesota this year... followed closely by Republican Norm Coleman. All seven gubernatorial candidates opened their ledgers yesterday (MON) to meet a campaign finance reporting deadline. Minnesota Public Radio's Martin Kaste takes a closer look at the numbers: Everyone was expecting multi-millionaire Mark Dayton to outspend his competition, and he didn't disappoint. As of August 24, the Dayton campaign has spent $1.72 Million dollars -- 99 percent coming out of Dayton's own pocket. Republican Norm Coleman leads the pack among candidates who have to raise their money the old-fashioned way. Coleman has pulled close to $1-point-4 million dollars into his campaign coffers since the start