A judge has ruled Donald Blom's confession to kidnapping and killing Katie Poirier is admissable at his trial. Blom's attorneys argued the confession was protected as part of a failed plea agreement. The judges ruling elevates the importance of an already controversial case. It is the first time Minnesota courts have considered whether a defendant can make a confession OUTSIDE of plea negotiations, thus waiving his or her own rights. Minnesota Public Radio's Amy Radil reports. Last September Donald Blom confessed to kidnapping and killing