In Chamu v. U.S. Att'y Gen., No. 19-13908 (Jan. 26, 2022) (Branch, Grant, Brasher), the Court, on appeal from a Board of Immigration Appeals ("BIA") decision, found Mr. Chamu ineligible for cancellation of removal on account of his prior conviction of an offense "relating to a controlled substance (as defined in section 802 of title 21)"--namely cocaine [...]