Whether a state trial court denial of counsel of choice is reversible error when no threat against the interest of judicial integrity and efficiency was present?

Whether a state trial court's denial of counsel of choice and request for continuance, and presents defendant with the choice of going to trial with court-appointed counsel who defendant has, with legitimate reason, completely lost trust in, create a type of actual conflict, with high potential to constructively deny defendant the effect assistance of counsel?

Whether a state trial court denial of counsel of choice is reversible error when no threat against the interest of judicial integrity and efficiency was present?