(1) Whether denial of a right to self-representation during sentencing is subject to harmless error analysis as held by the Ninth Circuit, or subject to structural error as held in the Fifth Circuit?

Subquestion:
(A) Whether harmless error analysis regarding a denial of self representation violates the Constitution, by placing to high a burden of showing ineffective assistance, without the ability to expand the record? [Is denial of self-representation at sentencing structural error?]

(2) Whether by Counsel losing a witness's signed statement givem by a witness who asserted a Blanket Fifth Amendment claim not to answer any questions, caused the pro se defendant prejudice in his efforts to withdraw his guilty plea for a fair and just reason, remdering his right to self-representation meaningless?

(3) Whether by denying the Defendant's request for a continuance after being granted his pro se right minutes earlier, prejudiced his ability to make a defense -and-obtain-evidence showing fabricated evidence tou show a fair and just reason to withdraw his guilty plea under Rule 11?

(4) Whether a judge can threaten that he could knowingly impose an illegal guideline calculation if the case returns on appeal or collateral attack?

(5) Whether the District Court can, ignore ruling on a idicative ruling request, concerning fabricated evidence while appeal is pending?

Whether denial of a right to self-representation during sentencing is subject to harmless error analysis or structural error