Whether a criminal defendant's right to testify is violated when prevented from testifying to facts within his personal knowledge without expert testimony

QUESTIONS PRESENTED 1. Whether a criminal defendant’s constitutional right to testify, as articulated in Rock v. Arkansas, 483 U.S. 44 (1987), is violated when he is prevented from testifying to facts within his personal knowledge that go to an element of the offense unless he also presents accompanying expert testimony. 2. Whether and to what extent a heightened constitutional analysis is required when an evidentiary ruling restricts a criminal defendant’s testimony and also imposes on his right to present other witnesses as part of a complete defense. i LIST OF