The long-stalled debate over tax relief took a surprising turn last night when House DFLers joined forces with the Republican majority to approve across-the-board income rate tax cuts. The DFL proposal also includes the Senate's version of one-time sales tax rebates and more than $70 Million dollars in property tax aid for farmers. The House DFLers' sudden cooperativeness took Republican leaders by surprise -- and put Senate DFLers on the defensive.