Whether the district court abused its discretion when it denied defendant's motion to withdraw his guilty plea and failed to make factual findings necessary to determine the voluntariness of his plea?

QUESTION(S) PRESENTED , : , : WHETHER THE DISTRICT COURT ABUSED ITS DISCRETION : . WHEN IT DENIED DEFENDANT'S MOTION TO WITHDRAW HIS | GUILTY PLEA AND FAILED TO MAKE FACTUAL FINDINGS NECESSARY TO DETERMINE THE VOLUNTARIES OF HIS PLEA? | | Il | . WHETHER SEX TRAFFICKING UNDER SECTION 1591 QUALIFIES | AS NOT A CRIME OF VIOLENCE? | | | | | . |