Number's Up For Select Comfort Founder

His number may be up: Bob Walker, creator of the Sleep Number Bed, sits today in a Minnesota jail, accused of witness tampering and fiduciary misconduct. The charges stem not from the bed company he founded, Select Comfort, but from another of Walker's ventures, Bixby Energy Systems. According to a criminal complaint filed Monday in U.S. district court for Minnesota, Walker violated the terms of a release agreement in a case where the government alleges that Walker, as CEO of Bixby, "treated Bix...