An advisory panel is asking legislators for a major overhaul of the state's high school graduation standards. The committee of business people and educators wants to scale back the controversial Profile of Learning...eliminate state performance guidelines...and require 11th graders to pass a test before earning a dimploma. But some members of the committee say it slashed the program without knowing whether it was working. Minnesota Public Radio's Tim Pugmire reports... The Profile of Learning is the state's system to measure how well students apply what they've learned. Students are required to meet 24 performance standards in 10 broad subject areas. Critics call it a bureaucratic mess that's difficult to understand. The committee that's been stud