483 N.W.2d 114 MICHAEL D. KOZLIK, APPELLEE, v. EMELCO, INC., A NEBRASKA CORPORATION, APPELLANT. No. S-89-885.Supreme Court of Nebraska. Filed April 23, 1992. 1. Trial: Witnesses: Evidence: Depositions. Where a party clearly changes his or her deposition testimony at trial on a point vital to the case in order to meet the exigencies of the […]