(For Friday Morning Ed) Legislative leaders have given up trying to reach a compromise with Governor Carlson over education tax credits. Senate negotiators last night (Thurs) abandoned a plan known as "Common Schools of Excellence," which they had hoped would satisfy the Governor's desire to let families spend public dollars on private education. Minnesota Public Radio's Martin Kaste has the story: The DFL leaders of the House and Senate went into Governor Carlson's office on Thursday afternoon hoping to coax his signature for their school funding bill. By the time they came out, they's resigned themselves to a veto. Speaker Carruthers: ((Carruthers being gloomy))